specious
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C2 adjective /ˈspiːʃəs/

specious

見せかけの
Meaning
Superficially plausible but actually false; misleading in appearance.
Example
The politician’s argument was specious, sounding convincing but lacking real evidence.
その政治家の議論は見せかけのもので、説得力があるように見えたが、実際の証拠は欠けていた。
C2 noun /slaɪt/

sleight

手品
Meaning
Skill or dexterity, especially in performing tricks.
Example
The magician amazed the crowd with his sleight of hand.
マジシャンはその手品で観客を驚かせた。
C2 noun /ˈstrɪndʒənsi/

stringency

厳格さ
Meaning
the quality of being strict, precise, or severe
Example
The stringency of the new rules surprised everyone.
新しい規則の厳格さはみんなを驚かせました。
C2 noun /ˈsuːpsɒ̃/

soupcon

少量
Meaning
a very small quantity of something; a trace
Example
She added just a soupcon of spice to the dish.
彼女は料理にほんの少しスパイスを加えた。
C2 adjective /ˈspɔːrtɪv/

sportive

スポーティブ
Meaning
Playful, lively, or full of fun.
Example
The children were in a sportive mood during the picnic.
子供たちはピクニック中にスポーティブな気分でした。
C2 noun /sɛkˈstɛt/

sextet

六重奏
Meaning
a group of six people playing music or a piece written for six performers
Example
The jazz sextet filled the small club with a warm, layered sound.
ジャズのセクステットは、小さなクラブを温かく層状の音で満たしました。
C2 noun /ˈsɒlɪˌsɪzəm/

solecism

文法ミス
Meaning
a grammatical mistake in speech or writing; a breach of good manners or etiquette
Example
His speech was full of solecisms and awkward phrases.
彼のスピーチは文法ミスと不器用なフレーズでいっぱいだった。
C2 adjective /ˈsed.j ə.l ə s/

Sedulous

勤勉な; 立派な;
Meaning
showing dedication and diligence; persistent and careful in work
Example
She was sedulous in her research, spending hours in the library every day.
彼女は研究に勤勉で、毎日図書館で何時間も過ごしていました。
C2 verb /səˈfjuːz/

suffuse

広がる
Meaning
to gradually spread through or over something
Example
A warm glow suffused her face as she smiled.
彼女が微笑んだとき、暖かい輝きが彼女の顔に広がった。
C2 noun /səbˈmɜːrʒən/

submersion

沈没
Meaning
the state of being under water
Example
The submersion of the fields lasted for several days after the heavy rain.
激しい雨の後、畑の沈没は数日間続いた。
C2 adjective /ˈseɪpiənt/

sapient

賢明な
Meaning
Wise, or appearing to be wise.
Example
The professor gave a sapient response to the complex question.
教授は複雑な質問に賢明な回答をしました。
C2 adjective /ˈsɪnjuːi/

sinewy

筋肉質で強い
Meaning
Lean and muscular; strong and tough.
Example
The athlete had a sinewy build that showed his strength.
そのアスリートは筋肉質な体型をしており、力強さを示していた。
C2 noun /sɒl/

sol

ソル（音楽のスケールの5番目の音）
Meaning
The fifth note of the sol-fa musical scale (do, re, mi, fa, sol, la, ti); also the Latin word for sun
Example
The choir practiced singing the note sol during rehearsal.
合唱団はリハーサル中にソル音を歌う練習をしました。
C2 noun /ˈsɛpəlˌtʃər/

Sepulture

墓; 埋葬;
Meaning
the act of burying a dead body; burial; a grave or tomb
Example
The ancient king's sepulture was discovered by archaeologists.
古代の王のセパルチャーは考古学者によって発見されました。
C2 noun ˌsʌb.dʒʊˈɡeɪ.ʃən

subjugation

支配または征服
Meaning
The action of bringing someone or something under domination or control, especially by force.
Example
The subjugation of weaker nations by colonial powers shaped history.
植民地の強国による弱小国の支配は歴史を形作った。
C2 noun /ˈsætræp/

satrap

総督
Meaning
a governor of a province in ancient Persia; also used figuratively for a subordinate ruler
Example
The king appointed a satrap to oversee the distant province.
王は遠くの州を監督するために総督を任命しました。
C2 noun /ˈsɜːfdəm/

serfdom

農奴制
Meaning
The status or condition of being a serf, bound to work for a lord.
Example
Many peasants in medieval Europe lived under serfdom.
中世ヨーロッパの多くの農民は農奴制の下で生活していた。
C2 noun /sɑːrˈkɒfəɡəs/

sarcophagus

石棺
Meaning
A stone coffin, often decorated, used in ancient times.
Example
The museum displayed a beautifully carved sarcophagus from ancient Egypt.
博物館には古代エジプトからの美しく彫刻された石棺が展示されていました。
C2 noun /ˈsɛrəf/

seraph

セラフィム
Meaning
An angelic being associated with light and purity, often depicted as a high-ranking angel in Christian theology.
Example
The stained-glass window depicted a seraph with outstretched wings.
ステンドグラスの窓には、翼を広げたセラフィムが描かれていました。
C2 noun /ˌskʌlˈdʌɡəri/

skullduggery

不正行為
Meaning
dishonest behavior or activities, often done secretly
Example
The election was full of political skullduggery.
選挙は政治的不正行為に満ちていた。
C2 adjective /ˈsfɪŋks laɪk/

sphinx-like

神秘的な
Meaning
Mysterious, enigmatic, or difficult to interpret
Example
Her sphinx-like smile made it hard to guess what she was thinking.
彼女のスフィンクスのような微笑みは、彼女が何を考えているのかを予測するのを難しくさせた。
C2 noun /ˈstænʃən/

stanchion

支柱
Meaning
a strong upright bar or post used as support or to control movement
Example
The red rope was attached to the stanchions to guide the crowd.
赤いロープは群衆を導くためにスタンションに取り付けられていた。
C2 noun /səbˈdʌk.ʃən/

subduction

地殻の一層が別の層の下に移動すること。
Meaning
The lateral and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
Example
The Pacific Ring of Fire is an area of intense subduction.
太平洋の火の輪は激しいサブダクションの領域です。
C2 noun /ˈsweɪʒən/

suasion

説得
Meaning
the act of persuading or influencing someone
Example
The leader used gentle suasion to win support for the plan.
リーダーは計画への支援を得るために穏やかな説得を使用しました。
C2 adjective /spæzˈmɒdɪk/

spasmodic

痙攣性
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
患者は夜間に痙攣性の咳を経験しました。
C2 adjective /sæŋˈɡwɪniəs/

sanguineous

血液に関連する
Meaning
Relating to blood; bloody.
Example
The surgeon examined the sanguineous discharge from the wound.
外科医は傷口からの血なまぐさい分泌物を調べました。
C2 noun /ˈsɪnjuː/

sinew

腱
Meaning
A tendon; figuratively, the source of strength, power, or resilience.
Example
The sinews in his arms stood out as he lifted the heavy box.
重い箱を持ち上げると、彼の腕の腱が目立ちました。
C2 noun /ˈsɒfɪzəm/

sophism

詭弁
Meaning
a clever but misleading argument; fallacious reasoning
Example
The politician's speech was full of sophism designed to mislead voters.
その政治家の演説は、有権者を誤導することを目的とした詭弁で満ちていた。
C2 adjective /ˈsɪbɪlənt/

sibilant

シーシー音がする
Meaning
Making or characterized by a hissing sound.
Example
The word 'snake' starts with a sibilant sound.
'snake' という単語はシビラント音で始まります。
C2 noun /ˈsuːθˌseɪər/

soothsayer

占い師
Meaning
a person who claims to predict the future
Example
The king consulted a soothsayer before going to war.
王は戦争に行く前に占い師に相談した。
C2 adjective /sʌbˈdʒeɪsənt/

subjacent

下層の
Meaning
lying immediately beneath; underlying
Example
The geological survey revealed subjacent layers of rock.
地質調査は下層の岩層を明らかにした。
C2 adjective /səˈprɛsəbl̩/

suppressible

抑制可能な
Meaning
capable of being restrained, controlled, or prevented
Example
The symptoms of the disease are suppressible with medication.
病気の症状は薬で抑制可能です。
C2 noun /ˌsuːpərɪnˈtɛndəns/

superintendence

監督
Meaning
the act of overseeing, supervising, or managing
Example
The superintendence of the school is the principal’s duty.
学校の監督は校長の責任です。
C2 noun /ˌsuː.pɚˈfluː.ə.t̬i/

superfluity

過剰
Meaning
An excessive amount of something; more than what is needed.
Example
The room was filled with a superfluity of decorations.
部屋は装飾で過剰に満たされていました。
C2 noun /ˈseɪ.li.əns/

salience

顕著性
Meaning
The quality of being particularly noticeable or important; prominence.
Example
The salience of the issue was highlighted in the debate.
その問題の顕著性は討論で強調されました。
C2 noun /ˈsɛnʃəns/

sentience

感覚能力
Meaning
The capacity to feel, perceive, or experience subjectively.
Example
Many argue that animals possess sentience.
多くの人々は動物が感覚能力を持っていると主張しています。
C2 adjective /svelt/

svelte

スリム
Meaning
Attractively thin, graceful, and elegant in appearance or movement.
Example
She looked svelte in the elegant black dress.
彼女はエレガントな黒いドレスを着てスリムに見えた。
C2 adjective, noun /səbˈmɜːrsəbl/

submersible

潜水艇
Meaning
capable of being submerged; a small underwater craft
Example
The scientists explored the deep ocean using a submersible.
科学者たちは潜水艇を使って深海を探査した。
C2 adjective /ˈsuːpaɪn/

supine

仰向けで横たわる
Meaning
Lying on the back, face upward; failing to act due to laziness or weakness.
Example
He lay supine on the grass, staring at the stars.
彼は草の上に仰向けで横たわり、星を見ていた。
C2 noun /staɪn/

stein

ビールジョッキ
Meaning
A large beer mug, typically made of glass or stoneware.
Example
He raised his stein to toast his friends.
彼は友達のために乾杯するためにシュタインを持ち上げました。
C2 noun /ˈsɪŋ.krə.ni/

synchrony

シンクロニシティ
Meaning
Coordination in time, harmony in action or movement.
Example
Their dance performance showed perfect synchrony.
彼らのダンスパフォーマンスは完璧なシンクロニシティを示しました。
C2 noun /ˈspuːnərɪzəm/

spoonerism

スプーナリズム
Meaning
A verbal error in which the initial sounds of words are swapped to create a humorous effect.
Example
He made a spoonerism by saying 'queer old dean' instead of 'dear old queen'.
彼は『変な老院長』と言って『親愛なる老女王』の代わりにスプーナリズムを作った。
C2 noun /ˈstrɪk.tʃər/

stricture

制限、批判
Meaning
a restriction or limitation; a critical remark
Example
The new law placed a severe stricture on free speech.
新しい法律は言論の自由に厳しい制限を課した。
C2 noun /səˈvɑːnt/

savant

Meaning
a learned person, especially a distinguished scientist or scholar; sometimes used in the phrase ‘savant syndrome’ for someone with exceptional abilities alongside developmental differences
Example
The conference keynote was delivered by a linguistic savant who studies endangered languages.
C2 noun /sɪlf/

sylph

シルフィード
Meaning
A mythical spirit of the air; also refers to a slender, graceful woman.
Example
She moved across the stage like a sylph, light and graceful.
彼女は舞台上をシルフィードのように軽やかで優雅に動いていました。
C2 noun səˈtaɪ.ə.ti

satiety

満腹感
Meaning
The feeling of being satisfied or full, especially with regard to food.
Example
High-fiber foods provide longer satiety.
高繊維食品はより長い満腹感を提供します。
C2 noun /ˈsɪbəraɪt/

sybarite

贅沢主義者
Meaning
a person who loves luxury and pleasure
Example
The millionaire was a true sybarite who lived only for comfort and enjoyment.
その百万長者は真の贅沢主義者で、快適さと楽しみだけを求めて生きていました。
C2 noun /ˈskɜː.vi/

scurvy

壊血病
Meaning
A disease caused by a deficiency of vitamin C, leading to weakness, gum disease, and bleeding.
Example
Sailors often suffered from scurvy during long sea voyages without fresh fruits.
水夫たちは、新鮮な果物がない長い海の航海中によく壊血病にかかっていました。
C2 noun /ˈslæt.ən/

slattern

だらしない女性
Meaning
a woman who is untidy or slovenly in appearance or habits
Example
The house looked as if a slattern lived there.
その家は、だらしない女性が住んでいるように見えた。
C2 noun /ˌsɒ̃ˈfrwɑː/

sangfroid

冷静
Meaning
Composure or coolness under pressure.
Example
She impressed everyone with her sangfroid during the interview.
彼女は面接中に冷静さで皆を感動させた。
C2 adjective /ˈskʌr.ɪ.ləs/

scurrilous

中傷的な
Meaning
Using or expressed in coarse, abusive, or slanderous language.
Example
The politician faced criticism for his scurrilous remarks about his opponent.
その政治家は対立候補についての中傷的な発言で批判を浴びた。
C2 noun /ˈsʊrmə fɪʃ/

Surma fish

スルマ魚
Meaning
a freshwater fish species found in the Surma river system of Bangladesh and northeastern India
Example
Surma fish is native to the rivers of Sylhet region.
スルマ魚はシレット地域の川に生息しています。
C2 adjective /səˈluːtəˌtɔri/

salutatory

歓迎の挨拶
Meaning
Relating to or expressing a greeting or an address, especially at the beginning of a speech.
Example
She delivered a salutatory address at the graduation ceremony.
彼女は卒業式で歓迎の挨拶を行いました。
C2 adjective /stəˈkɑː.təʊ/

staccato

スタッカート
Meaning
short and detached in sound or style, often used in music
Example
The pianist played the notes in a staccato rhythm.
ピアニストはスタッカートのリズムで音符を弾きました。
C2 noun /ˈslʌɡərd/

sluggard

怠け者
Meaning
A lazy, sluggish person.
Example
The sluggard refused to get out of bed even at noon.
怠け者は正午でもベッドから起きることを拒否しました。
C2 adjective /spraɪ/

spry

活発
Meaning
active and lively, especially in old age
Example
The spry grandmother surprised everyone with her quick dance steps.
活発な祖母は素早いダンスステップで皆を驚かせました。
C2 verb /skʌlk/

skulk

Meaning
to move or hide secretly, often because you are planning something bad or are feeling guilty
Example
He tried to skulk in the shadows to avoid being seen.
C2 noun /ˈʃɪbəˌlɛθ/

shibboleth

特定のグループを識別するための表現や信念
Meaning
A custom, phrase, or belief distinguishing a particular group of people, often used to identify outsiders.
Example
The phrase became a political shibboleth during the campaign.
そのフレーズはキャンペーン中に政治的なシボレスとなった。
C2 adjective /ˈsʌb.æs.ɪd/

subacid

やや酸っぱい
Meaning
Slightly sour or acidic in taste or nature.
Example
The fruit had a subacid flavor that was refreshing on a hot day.
その果物はやや酸っぱい味がして、暑い日にさっぱりとした味わいだった。
C2 verb /ˈskærɪfaɪ/

scarify

土を耕す
Meaning
to make shallow cuts or scratches; to loosen the surface of soil
Example
The farmer scarified the soil before planting seeds.
農家は種を植える前に土をスカリファイしました。
C2 adjective /ˈsɛpərəbəl/

separable

分離可能な
Meaning
Capable of being separated or divided.
Example
The two issues are separable and should be discussed independently.
この二つの問題は分離可能であり、独立して議論されるべきです。
C2 noun /ˈsɪbɪləns/

sibilance

シューシュー音
Meaning
A hissing or hushing sound, especially in speech with 's' or 'sh'.
Example
The poet used sibilance to create a soft, hissing effect in the verse.
詩人は詩の中で柔らかいシューシュー音を作り出すためにシビランスを使いました。
C2 noun /sɪnˈtɪl.ə/

scintilla

小さな火花
Meaning
A tiny trace or spark of a specified quality or feeling.
Example
There wasn’t a scintilla of doubt in her mind.
彼女の心には疑いのひらめきもなかった。
C2 adjective /ˌseɪpiˈɛnʃəl/

sapiential

知恵に関連する
Meaning
Relating to wisdom or knowledge, often in a religious or philosophical sense.
Example
The monk shared sapiential teachings with his students.
僧侶は学生たちに知恵に関連する教えを共有しました。
C2 adjective /ˌsuːdəˈrɪfɪk/

sudorific

発汗促進剤
Meaning
causing or increasing sweating
Example
The doctor prescribed a sudorific drug to help reduce the fever.
医者は発熱を下げるために発汗を促進する薬を処方しました。
C2 adjective /ˈsʌmp.tʃuˌɛr.i/

sumptuary

贅沢品の個人的な支出を制限する法律または規制に関連する
Meaning
Relating to laws or regulations intended to limit personal spending on luxury goods.
Example
In medieval Europe, sumptuary laws restricted the wearing of expensive fabrics to the nobility.
中世ヨーロッパでは、贅沢品法が高価な布地の着用を貴族に限定していました。
C2 noun /ˈsaɪz.mə.ɡræf/

seismograph

地震計
Meaning
An instrument that measures and records details of earthquakes, such as force and duration.
Example
The seismograph detected a strong tremor in the area.
地震計はその地域で強い揺れを検出しました。
C2 adjective /ˈsʌpliənt/

suppliant

請願者
Meaning
Humbly or earnestly asking for something, especially from a person in authority.
Example
The suppliant man begged for mercy at the king's feet.
請願者は王の足元で慈悲を乞いました。
C2 noun /spɪˈlʌŋkər/

spelunker

洞窟探検家
Meaning
A person who explores caves as a hobby.
Example
The spelunker carried ropes and lights into the dark cave.
洞窟探検家は暗い洞窟にロープとライトを持って行きました。
C2 adjective /sɪˈnɜːrdʒɪk/

synergic

シナジック
Meaning
Working together in a cooperative and effective manner.
Example
The two departments have a synergic relationship that boosts productivity.
2つの部署は生産性を高めるシナジックな関係を持っています。
C2 adjective /sɪˈnɒptɪk/

synoptic

総括的
Meaning
giving a general overview or summary; presenting a broad view
Example
The report offers a synoptic view of climate trends over the past century.
報告書は過去の世紀の気候の傾向について総括的な視点を提供しています。
C2 noun /stɒˈkeɪd/

stockade

木製の塀
Meaning
a defensive barrier made of strong posts or timbers, often around a fort or prison
Example
The prisoners were kept inside the wooden stockade.
囚人は木製の塀の中に閉じ込められていました。
C2 adjective /ˈsæ.loʊ/

sallow

黄白色
Meaning
Of an unhealthy yellow or pale brown color, often referring to skin.
Example
His sallow complexion made him look tired and sickly.
彼の黄白色の肌は、疲れて病気のように見えました。
C2 noun /ˈskʌl.i.ən/

scullion

台所の使用人
Meaning
a servant assigned the most menial kitchen tasks
Example
In medieval times, a scullion was responsible for cleaning pots and pans.
中世の時代、スカリオンは鍋やフライパンを掃除する責任がありました。
C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

半意識
Meaning
Only partly conscious; not fully aware of surroundings.
Example
He was semiconscious after the accident and could barely respond.
彼は事故後セミコンシャスで、ほとんど反応できなかった。
C2 verb /ˈseɪʃiˌeɪt/

satiate

満たす
Meaning
To satisfy fully, especially with food or desire.
Example
The large meal satiated his hunger.
大きな食事が彼の空腹を満たしました。
C2 noun /ˈsælvər/

salver

銀のトレイ
Meaning
A tray, typically made of silver, used for serving food or drinks.
Example
The butler brought in the tea on a silver salver.
執事は銀のトレイでお茶を運んできました。
C2 verb /ˌsuːpərˈhiːt/

superheat

過熱する
Meaning
to heat a substance beyond its normal boiling point without it becoming vapor
Example
Engineers superheat the steam to increase the efficiency of the turbine.
エンジニアはタービンの効率を上げるために蒸気を加熱しすぎます。
C2 noun /ˈsʌfrədʒɪst/

suffragist

女性参政権運動家
Meaning
a person advocating the extension of suffrage, especially to women
Example
The suffragists organized rallies to demand voting rights for women.
女性参政権運動家たちは女性の投票権を求めて集会を開いた。
C2 adjective /ˌsɪkəˈfæntɪk/

sycophantic

お世辞
Meaning
Behaving in a way that is excessively obedient or servile to gain favor.
Example
His sycophantic behavior annoyed his colleagues.
彼のお世辞な振る舞いは同僚をうんざりさせた。
C2 noun /sʌbˈɔːl.tən/

subaltern

下級の立場にある人；軍隊では、若い将校
Meaning
A person holding a subordinate position; in the military, a junior officer.
Example
The subaltern was responsible for leading a small platoon of soldiers.
サブオルターナは小さな小隊を指揮する責任がありました。
C2 verb /ˈsʌbdʒʊˌɡeɪt/

subjugate

支配する
Meaning
To bring under domination or control, especially by conquest.
Example
The empire sought to subjugate the neighboring kingdoms.
帝国は隣接する王国を従わせようとした。
C2 noun /ˈstætɪks/

statics

静力学
Meaning
The branch of mechanics dealing with bodies at rest and forces in equilibrium.
Example
She is studying statics as part of her engineering course.
彼女は工学のコースの一環として静力学を学んでいます。
C2 noun /ˌsɪɡnɪfɪˈkeɪʃən/

signification

意味
Meaning
the meaning or sense conveyed by a word, action, or symbol
Example
The signification of the gesture was misunderstood.
そのジェスチャーの意味は誤解されていました。
C2 adjective /ˈsmɑːrmi/

smarmy

お世辞 / 偽の礼儀
Meaning
Excessively flattering or ingratiating, often insincerely.
Example
The salesman gave a smarmy pitch that felt fake.
販売員は偽りのように感じるお世辞のような売り込みをしました。
C2 adjective /ˈsiːmi/

seamy

低劣な、陰湿な
Meaning
Morally degraded, unpleasant, or sordid.
Example
The novel reveals the seamy side of city life.
その小説は都市生活の裏面を明らかにします。
C2 adjective /ˌsæsərˈdoʊtl/

sacerdotal

神職に関する
Meaning
Relating to priests or the priesthood.
Example
The ritual had a distinctly sacerdotal character.
その儀式には明確な神職に関する特徴がありました。
C2 noun /ˌself əˈbeɪs.mənt/

self-abasement

自己卑下
Meaning
The act of belittling or humiliating oneself.
Example
His constant self-abasement made others uncomfortable.
彼の絶え間ない自己卑下は他の人々を不快にさせた。
C2 noun /sɛnˈsɔːrɪəm/

sensorium

感覚中枢
Meaning
The part of the brain or mind concerned with the reception and interpretation of sensory stimuli.
Example
The patient’s sensorium was clouded after the accident.
事故後、患者の感覚中枢はぼやけていた。
C2 adjective /səˈdʒɛstəbəl/

suggestible

影響されやすい
Meaning
easily influenced by the suggestions of others
Example
Children are highly suggestible and may believe what they are told.
子供たちは非常に影響されやすく、言われたことを信じるかもしれません。
C2 verb /sɛkˈstuːpəl/

sextuple

セクストゥプル
Meaning
to make or become six times as great or as many
Example
Within two quarters, the campaign sextupled their daily sign-ups.
2つの四半期で、キャンペーンは毎日のサインアップ数を6倍にしました。
C2 noun /ˈsɜːrfɪt/

surfeit

過剰
Meaning
an excessive amount of something
Example
There was a surfeit of food at the festival.
祭りでは食べ物が過剰にあった。
C2 adjective /ˌstaʊtˈhɑːrtɪd/

stouthearted

勇敢な
Meaning
Brave, determined, and courageous
Example
The stouthearted soldier never gave up.
勇敢な兵士は決して諦めなかった。
C2 noun /sɪˈrɒkoʊ/

sirocco

熱く乾燥した風
Meaning
A hot, dry wind blowing from North Africa across the Mediterranean to southern Europe.
Example
The sirocco made the city unbearably hot and dusty.
シロッコは街を耐えられないほど暑く、ほこりっぽくした。
C2 verb /ʃʌk/

shuck

殻を剥く
Meaning
To remove the outer covering, such as the husk of corn or shell of shellfish.
Example
She learned how to shuck oysters quickly.
彼女は牡蠣の殻を素早く剥く方法を学びました。
C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

血なまぐさい
Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
その戦闘は戦争の中で最も血なまぐさい戦いの一つだった。
C2 noun /ˈseɪpiəns/

sapience

知恵
Meaning
Wisdom or intelligence.
Example
Her sapience in solving problems earned her the respect of her colleagues.
問題解決における彼女の知恵は、同僚たちの尊敬を集めました。
C2 noun /spliːn/

spleen

脾臓; 怒り
Meaning
an organ in the body that produces lymphocytes and filters blood; also refers to bad temper or spite
Example
He vented his spleen on his coworkers after the meeting.
会議後、彼は同僚に対して怒りをぶつけました。
C2 noun /ʃiːt fɪʃ/

Sheat-fish

ナマズ
Meaning
A large freshwater catfish with a broad flat head and long barbels
Example
The sheat-fish is one of the largest freshwater fish in South Asia.
ナマズは南アジアで最大の淡水魚の一つです。
C2 verb /ˈsæŋktɪfaɪ/

sanctify

聖別する
Meaning
to make holy or sacred; to purify
Example
The priest will sanctify the marriage ceremony.
司祭は結婚式を聖別します。
C2 noun /ˈsteɪsɪs/ or /ˈstæsɪs/

stasis

停滞
Meaning
A state of inactivity or equilibrium; a situation where nothing changes.
Example
The negotiations reached a state of stasis with no progress made.
交渉は停滞状態に達し、進展はありませんでした。
C2 adjective /ˈsɪbɪlaɪn/

sibylline

神託的
Meaning
Prophetic, mysterious, or cryptic in meaning.
Example
The old woman gave a sibylline warning about the future.
その老婦人は未来について神託的な警告をした。
C2 noun /sʌnd raɪs/

Sunned rice

日干し米
Meaning
Rice that has been dried in the sun; parched rice
Example
The farmers spread the sunned rice on mats to dry completely.
農民たちは日干し米を完全に乾かすためにマットに広げました。
C2 noun /ˈstrætədʒəm/

stratagem

策略
Meaning
a plan or scheme designed to achieve a particular goal, often by trickery
Example
The general devised a clever stratagem to outwit the enemy.
将軍は敵を欺くために巧妙な策略を考案しました。
C2 verb /seɪt/

sate

満たす
Meaning
To satisfy fully or to excess.
Example
The huge meal sated their hunger after the long journey.
長い旅の後、巨大な食事が彼らの空腹を満たした。
C2 noun /ˌsuː.pər.əˈbʌn.dəns/

superabundance

過剰な豊富さ
Meaning
An excessive or overflowing amount of something.
Example
The garden was filled with a superabundance of flowers.
庭は花の過剰な豊富さで満たされていました。
C2 verb /stɑːntʃ/

stanch

止血する
Meaning
to stop the flow of blood or liquid from a wound or source
Example
The nurse quickly stanched the bleeding from the cut.
看護師はすぐに切り傷からの出血を止めました。
C2 adjective /sɪˈkweɪʃəs/

sequacious

盲目的に従う
Meaning
Lacking independence of thought; blindly following.
Example
The sequacious students never questioned their teacher's opinions.
シクウェイシャスな学生は、教師の意見に疑問を呈することはありませんでした。
C2 adjective /səˈɡeɪ.ʃəs/

sagacious

賢明
Meaning
Having or showing keen mental discernment and good judgment; wise.
Example
His sagacious leadership saved the company from failure.
彼の賢明なリーダーシップは会社を失敗から救った。
C2 adjective /sɪˈdɪʃəs/

seditious

扇動的
Meaning
Encouraging rebellion against authority.
Example
The activist spread seditious pamphlets among the crowd.
活動家は群衆の中で扇動的なパンフレットを配布しました。
C2 noun /ˈstriːmlɪt/

streamlet

小川
Meaning
a small stream; a tiny brook or rivulet
Example
A streamlet flowed through the meadow.
小川が草地を流れていました。
C2 adjective /ˈsiːkwənt/

sequent

次の
Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
次の出来事は歴史の流れを変えました。
C2 noun /ˈseɪ.ɡoʊ/

Sago

サゴ
Meaning
starchy foodstuff obtained from the pith of various tropical palm stems
Example
She prepared sago pudding for dessert.
彼女はデザートにサゴプディングを準備しました。
C2 verb /ˈsʌblɪmeɪt/

sublimate

より高い活動に変換する
Meaning
to redirect strong emotions or desires into socially acceptable activities or channels
Example
She sublimated her anger into painting beautiful landscapes.
彼女は美しい風景を描くことで怒りをサブリメートしました。
C2 noun /ʃiːf/

sheaf

麦の束
Meaning
a bundle of grain stalks laid lengthwise and tied together after reaping; a bundle of objects tied together
Example
The farmer carried a sheaf of wheat on his shoulder.
農夫は肩に小麦の束を運んでいました。
C2 verb /ˈsʌli/

sully

汚す
Meaning
to damage the purity, integrity, or reputation of something
Example
The scandal sullied the politician’s reputation.
スキャンダルは政治家の評判を汚した。
C2 verb /ˈstjuːpɪˌfaɪ/

stupefy

驚かす
Meaning
to make someone unable to think clearly, usually because of surprise or shock
Example
The magician's tricks stupefied the audience.
マジシャンのトリックは観客を驚かせた。
C2 verb /skwɛltʃ/

squelch

Meaning
to make a soft sucking sound, such as when walking on mud; to suppress or silence
Example
His boots squelched in the wet ground.
C2 noun /ˈswɑːvɪti/

suavity

優雅さと魅力
Meaning
smoothness and charm in manner
Example
His suavity made him popular in social gatherings.
彼の優雅さと魅力は社交の場で彼を人気者にした。
C2 verb /ʃiːð/

sheathe

鞘に戻す
Meaning
to put a sword or knife back into its cover
Example
He quickly sheathed his sword after the duel.
彼は決闘の後、素早く剣を鞘に戻した。
C2 adjective /ˌsuː.pər.ɪˈrɑː.ɡə.tɔːr.i/

supererogatory

過剰
Meaning
Going beyond what is required or expected; more than necessary.
Example
His donation was supererogatory, far beyond what anyone had asked for.
彼の寄付は過剰で、誰もが求めていた以上のものでした。