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B1 verb /sɪˈlekt/

select

選ぶ
Meaning
to choose from a number of alternatives; to pick out
Example
Please select your favorite color.
お気に入りの色を選んでください。
C2 verb /ˈstʌltɪfaɪ/

stultify

愚かに見せる、または効果や熱意を妨げる
Meaning
to make someone or something appear foolish, or to hinder effectiveness and enthusiasm
Example
The repetitive tasks seemed to stultify the workers' creativity.
繰り返しの仕事が労働者の創造性を鈍らせているようだった。
C2 adjective /saɪˈdɪəriəl/

sidereal

恒星の
Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
天文学者は恒星時を使用して星の位置を追跡します。
B2 adjective /ˈʃɒkɪŋ/

shocking

衝撃的な
Meaning
causing surprise or disbelief; startling
Example
The news of the accident was shocking to everyone.
事故のニュースは皆を衝撃的にしました。
A2 adjective /streɪndʒ/

strange

奇妙
Meaning
unusual or not normal
Example
It was strange to see him at the party after so long.
そんなに長い時間後にパーティーで彼を見るのは奇妙だった。
B2 verb /ˈskrɪbəl/

scribble

落書きする
Meaning
to write or draw carelessly or quickly
Example
The child scribbled all over the wall.
子供は壁に落書きをした。
C2 adjective səˈluː.bri.əs

salubrious

健康的
Meaning
Health-giving; healthy; promoting health and well-being.
Example
The mountain air is salubrious and refreshing.
山の空気は健康的でさわやかです。
B2 noun /ˈskɔːr.pi.ən/

Scorpion

サソリ
Meaning
a small creature with eight legs, two claws, and a curved tail with a poisonous sting
Example
The scorpion hid under the rock during the day.
サソリは昼間、岩の下に隠れていました。
B1 noun ˈstrætədʒi

strategy

戦略
Meaning
A plan of action designed to achieve a long-term or overall aim.
Example
The strategy ensured success.
その戦略は成功を保証しました。
C2 verb /ˈsʌk.əl/

suckle

授乳する
Meaning
to feed a baby or young animal with milk from the breast or udder
Example
The mother cat suckled her kittens in the basket.
母猫はバスケットで子猫にお乳を与えていました。
C2 noun /ˈsɔː.dər/

Sawder

お世辞; おべっか
Meaning
flattering or wheedling talk; soft soap
Example
His sawder couldn't convince anyone of his sincerity.
彼のオベッカは誰にも彼の誠実さを納得させることができなかった。
B1 noun /ˈsæm.pəl/

Sample

サンプル
Meaning
a small part taken as an example of the whole; a specimen
Example
The doctor took a blood sample for testing.
医師はテストのために血液サンプルを取った。
C2 adjective /ˈstɒlɪd/

stolid

冷静な、無表情な
Meaning
Calm, dependable, and showing little emotion or animation.
Example
Despite the chaos around him, he remained stolid and composed.
周りの混乱にもかかわらず、彼は冷静で落ち着いていました。
B2 verb /ˈskræmbəl/

scramble

Meaning
to move or climb quickly using hands and feet; to mix or arrange in a hurried way
Example
The kids scrambled up the hill to catch the kite.
B2 verb /swer/

swear

誓う
Meaning
to use offensive language; to promise solemnly; to take an oath
Example
I swear to tell the truth.
私は真実を話すと誓います。
B1 verb /stretʃ/

stretch

ストレッチする
Meaning
to extend or expand; to make or become longer or wider
Example
Athletes stretch their muscles before exercising.
アスリートは運動前に筋肉をストレッチします。
B2 adjective ˌsɪm.əlˈteɪ.ni.əs

simultaneous

同時
Meaning
Occurring, operating, or done at the same time.
Example
Simultaneous crop failures affect global food supply.
同時の作物の失敗は、世界的な食料供給に影響を与えます。
A1 noun /speɪs/

space

空間
Meaning
The dimensions of height, depth, and width within which all things exist and move.
Example
Space exploration expands human knowledge.
宇宙探査は人類の知識を広げます。
C1 verb /ˈslɪðər/

slither

滑る
Meaning
to move smoothly over a surface with a twisting, sliding motion, like a snake
Example
The snake slithered through the grass.
ヘビは草の中を滑って進んだ。
C1 noun /ˌsɛnsɪtaɪˈzeɪʃən/

sensitization

感作化
Meaning
The process of becoming sensitive to a substance, situation, or influence.
Example
The doctor warned about the sensitization caused by repeated exposure to chemicals.
医者は化学物質への繰り返しの暴露によって引き起こされる感作化について警告しました。
A2 noun /ˈsoʊldʒərz/

soldiers

Meaning
members of an army who serve their country in war or peace
Example
The soldiers marched proudly down the street.
A2 noun /siːn/

scene

シーン
Meaning
a place or setting of an event or activity, or the part of a play or film
Example
The final scene of the movie was very emotional.
映画の最後のシーンはとても感動的でした。
A2 noun /ˈstrɔːbəri/

Strawberry

いちご
Meaning
a small red heart-shaped fruit with tiny seeds on the surface and sweet taste
Example
I love eating fresh strawberries with cream during summer.
夏にクリームを添えた新鮮ないちごを食べるのが大好きです。
B2 noun, verb /slænt/

slant

偏った見解
Meaning
A particular point of view; to slope or lean in a particular direction.
Example
The article had a political slant.
その記事には政治的な傾向がありました。
C1 noun/verb /skɜːrdʒ/

scourge

Meaning
A source of great pain or punishment; to whip or inflict suffering on someone.
Example
Disease and poverty remain a scourge in many regions.
B2 noun /ˈseɪf.ɡɑːrd/

Safeguard

保護措置
Meaning
measure or action designed to protect someone or something
Example
New safeguards were implemented to prevent data breaches.
データ漏洩を防ぐために新しい保護措置が実施されました。
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。
B2 noun sɔɪl ɪˈrəʊʒən

soil erosion

土壌侵食
Meaning
The wearing away of topsoil by water, wind, or other natural forces.
Example
Soil erosion can lead to the loss of fertile land.
土壌侵食は肥沃な土地の喪失につながる可能性があります。
C1 noun /səˈbraɪəti/

sobriety

節制
Meaning
the state of being sober; self-restraint and seriousness
Example
He has maintained his sobriety for five years.
彼は5年間その節制を保っています。
C1 noun /ˈʃrɪŋkɪdʒ/

shrinkage

収縮
Meaning
The process of becoming smaller in size, amount, or value.
Example
The company reported a shrinkage in profits this quarter.
その会社は今四半期の利益の収縮を報告しました。
B1 adjective /ˈsensəbəl/

Sensible

賢明な; 実用的な; 理にかなった
Meaning
having or showing good sense; practical and reasonable
Example
It would be sensible to take an umbrella because it might rain.
雨が降るかもしれないので、傘を持っていくのは賢明です。
B1 noun ˈseʃən

session

セッション
Meaning
A meeting of an official body, especially a legislature, council, or court of law, to conduct its business.
Example
The session was held on February 25.
セッションは2月25日に開催されました。
B2 adjective /ˈʃɔːrt ˌtempərd/

Short-tempered

短気な; すぐに怒る
Meaning
quick to lose one's temper; easily angered
Example
She became short-tempered when the traffic made her late for the meeting.
交通のせいで遅れてしまったとき、彼女は短気になった。
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 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。
C1 adjective /swɑːv/

suave

魅力的で洗練された
Meaning
charming, confident, and elegant, often in a smooth or polished way
Example
He was a suave gentleman who impressed everyone at the party.
彼はパーティーで全員に感銘を与えた洗練された紳士だった。
C1 adverb /suːˈpɜːb.li/

Superbly

素晴らしく
Meaning
in an excellent or outstanding manner
Example
She performed superbly in the dance competition.
彼女はダンスコンテストで素晴らしくパフォーマンスをしました。
C2 verb /ˈsʌplɪˌkeɪt/

supplicate

お願いする
Meaning
To ask for something earnestly or humbly, often in a religious context.
Example
The villagers supplicated the gods for rain during the drought.
村人たちは干ばつの間、雨を求めて神々にお願いした。
B2 adjective /ˈstæt.ɪk/

static

静的
Meaning
Lacking in movement, action, or change; stationary.
Example
Static ideas hinder progress.
静的な考えは進展を妨げる。
C1 noun /stɪnt/

stint

短期の仕事
Meaning
a period of time spent doing a particular job or activity
Example
She did a short stint as a teacher before moving abroad.
彼女は海外に移住する前に短期間の教師として働きました。
B2 noun /ˈsʌm.ɪt/

summit

サミット
Meaning
A high-level meeting between leaders, especially of governments; a conference.
Example
The summit addressed pressing global issues.
サミットは緊急のグローバルな問題を取り上げました。
B2 adjective /ˈsʌb.sɪ.kwənt/

subsequent

その後の
Meaning
Coming after something in time; following in time or order.
Example
Subsequent events clarified the outcomes.
その後の出来事が結果を明らかにしました。
C1 adjective /ˈsiː.naɪl/

senile

老化による弱さ
Meaning
Showing the weaknesses of old age, especially mental decline.
Example
The old man became senile and forgot familiar faces.
老人はセンイルになり、親しい顔を忘れてしまった。
B2 noun speɪs ɪksplɔːˈreɪʃən

space exploration

宇宙探査
Meaning
The investigation of outer space by means of manned and unmanned spacecraft.
Example
Space exploration has expanded our knowledge of the universe.
宇宙探査は私たちの宇宙に対する知識を広げました。
C1 adjective /ˈsʌpl/

supple

柔軟な
Meaning
Easily bending or moving without breaking; flexible and adaptable.
Example
The gymnast’s body was remarkably supple.
その体操選手の体は驚くほど柔軟だった。
A2 verb /sɔːrt/

sort

並べ替える
Meaning
to arrange or categorize something
Example
Please sort the files by date.
ファイルを日付順にソートしてください。
A2 verb /ˈstɑːtɪŋ/

starting

始める
Meaning
beginning to do or experience something
Example
She is starting a new job next week.
彼女は来週、新しい仕事を始める。
B2 noun sɛlf rɪˈlaɪ.əns

self-reliance

自立
Meaning
Reliance on one's own powers and resources rather than those of others; independence.
Example
Self-reliance helps build confidence.
自立は自信を高めるのに役立ちます。
C1 noun /stɛlθ/

stealth

隠密、静かに動く
Meaning
The act of moving, doing, or achieving something quietly and secretly.
Example
The cat moved with stealth towards its prey.
猫は静かに獲物に向かって動いた。
B1 noun /ˈsɛtʌp/

setup

設置
Meaning
an arrangement of things or the way in which something is organized or prepared
Example
The setup of the event took hours to complete.
イベントのセットアップには数時間かかりました。
C1 noun /ˈsɪstərhʊd/

sisterhood

姉妹関係
Meaning
The relationship between sisters, or a community of women united by shared experiences or goals.
Example
The feminist movement created a strong sense of sisterhood among women.
フェミニスト運動は女性たちの間に強い姉妹関係の感覚を生み出しました。
C1 noun /ˈstɔːrhaʊs/

storehouse

倉庫
Meaning
A place where goods, supplies, or valuables are stored; a repository
Example
The warehouse acted as a storehouse for all the imported goods.
その倉庫はすべての輸入品のストアハウスとして機能していた。
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。
C1 adjective səˈsaɪ.ə.təl

societal

社会的
Meaning
Relating to society or social relationships.
Example
Societal benefits of space tourism are under debate.
宇宙観光の社会的利点が議論されています。
C1 noun /səˈbætɪkəl/

sabbatical

学習や旅行のための休暇
Meaning
A period of paid leave granted to a teacher or worker for study or travel, traditionally every seventh year.
Example
She took a sabbatical to research her new book.
彼女は新しい本を研究するためにサバティカルを取った。
C1 noun /ˈstɛnsəl/

stencil

型抜き
Meaning
A thin sheet of material with a design cut out, used to produce the design on the surface below by applying paint or ink through the cut-out holes.
Example
The artist used a stencil to paint identical stars on the wall.
アーティストは壁に同じ星を描くために型抜きを使用しました。
C1 adjective /sɪər/

Sear

枯れた; 焼けた; 乾燥した
Meaning
withered; dried up; burned or scorched
Example
The sear leaves fell from the trees in autumn.
秋に枯れた葉が木から落ちました。
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。
B2 verb /stɪŋ/

sting

刺す
Meaning
to pierce with a sharp point; to cause sharp pain
Example
The bee stung him on his arm while he was gardening.
蜂は彼が庭仕事をしているときに彼の腕を刺しました。
C1 verb /slaʊtʃ/

slouch

だらしなく座る
Meaning
To stand, sit, or move in a lazy or awkward way.
Example
He slouched in the chair, looking tired.
彼は椅子にだらりと座り、疲れた様子だった。
C2 adjective /splɪˈnɛtɪk/

splenetic

怒りっぽい、意地悪な
Meaning
bad-tempered, irritable, spiteful
Example
His splenetic remarks offended everyone in the room.
彼の怒りっぽいコメントは部屋の皆を怒らせた。
C1 verb /sɪˈsiːd/

secede

脱退する
Meaning
To formally withdraw from a political or organizational union.
Example
Several states threatened to secede from the union.
いくつかの州は連邦から脱退すると脅迫した。
B2 noun /ˈʃəʊ.keɪs/

showcase

ショーケース、何かを魅力的または有利な方法で提示する
Meaning
A display case or exhibition; to present something in an attractive or favorable way.
Example
The exhibition showcased the artist's best works.
展示会はアーティストの最高の作品を展示しました。
B2 adjective /ˈʃeɪ.di/

Shady

日陰の; 疑わしい; 不誠実な;
Meaning
providing shade; dishonest; suspicious
Example
The shady businessman made a suspicious deal.
その日陰の商人は疑わしい取引をしました。
B1 noun /ˈsɜːvənt/

servant

召使い
Meaning
a person who performs duties for others, especially in a household
Example
The servant opened the door for the guests.
召使いは客のためにドアを開けました。
B2 adjective /ˈslɪp.ər.i/

Slippery

滑りやすい
Meaning
smooth and difficult to hold; causing sliding or slipping
Example
The wet floor was very slippery after cleaning.
清掃後、濡れた床はとても滑りやすかった。
C1 noun/verb /spuːf/

spoof

ユーモアのある模倣
Meaning
A humorous imitation of something, or to trick or parody someone or something.
Example
The comedian spoofed the politician’s speech to entertain the audience.
コメディアンは政治家の演説を模倣して観客を楽しませました。
C1 noun /sʌˈmeɪʃən/

summation

合計, 要約
Meaning
The process of adding things together; a summary of points.
Example
The lawyer gave a powerful summation of the case.
弁護士は事件の強力な要約を行った。
C1 adjective ˈsɒvrɪn

sovereign

主権の, 最高の
Meaning
Possessing supreme or ultimate power; independent.
Example
The sovereign government has control over its currency.
主権政府は自国の通貨を管理している。
B1 verb /siːl/

seal

封印する、閉じる
Meaning
to close or secure something tightly or officially confirm something
Example
He sealed the envelope before sending the letter.
彼は手紙を送る前に封筒をシールしました。
C1 adjective ˌsɪmbɪˈɒtɪk

symbiotic

共生的な
Meaning
Involving interaction between two different organisms living in close physical association.
Example
The relationship between the bee and the flower is symbiotic.
ミツバチと花の関係は共生的です。
B2 noun /speɪd/

Spade

シャベル
Meaning
a tool with a flat blade for digging; a playing card suit
Example
The gardener used a spade to dig holes for planting flowers.
庭師は花を植えるために穴を掘るためにシャベルを使いました。
C1 noun /ˌsɛnsəˈbɪləti/

Sensibility

感受性
Meaning
the ability to appreciate and respond to complex emotional or aesthetic influences; sensitivity
Example
Her artistic sensibility made her appreciate fine details in paintings.
彼女の芸術的な感受性は、絵画の細部を評価するのに役立ちました。
C1 /skwɒt/

squat

しゃがむ
Meaning
to crouch or sit with knees bent and body close to the ground
Example
He squatted down to tie his shoes.
彼は靴を結ぶためにしゃがんだ。
B1 noun /ˈsɛtɪŋ/

setting

セット
Meaning
the environment or place where something happens
Example
The setting of the movie was a beautiful beach.
映画の舞台は美しいビーチでした。
B1 noun /ˈseɪ.lər/

Sailor

船員
Meaning
a person who works on a ship or boat; a member of a navy
Example
The experienced sailor navigated the ship through the storm.
経験豊富な船員が嵐を乗り越えて船を操縦した。
C1 noun /səˈprɑːnoʊ/

soprano

女性または子供の最も高い歌声
Meaning
the highest female or boy’s singing voice
Example
She sang beautifully in the soprano range during the concert.
彼女はコンサートでソプラノの範囲で美しく歌いました。
C1 noun /sɪˈnɪləti/

senility

老衰
Meaning
The state of being old and showing the weaknesses of age, especially mental decline.
Example
His forgetfulness was attributed to senility.
彼の忘れっぽさは老衰によるものとされました。
B1 verb /ˈsɪzər/

scissor

はさみで切る
Meaning
to cut with or as if with scissors
Example
The tailor scissored the fabric neatly.
テイラーは布をきれいに切りました。
C2 adjective /ˌsuːprəˈmʌndeɪn/

supramundane

超俗的
Meaning
beyond the physical or ordinary world; transcendent
Example
The monk spoke of supramundane peace beyond material life.
僧侶は物質的な生活を超えた超俗的な平和について話しました。
B2 adjective sɪˈvɪər

severe

深刻な
Meaning
Very great; intense or extreme in degree.
Example
Without action, climate change impacts will become severe.
行動がなければ、気候変動の影響は深刻になります。
C1 noun /ˈsɪk.əl/

Sickle

Meaning
a tool with a curved metal blade and short handle used for cutting grain crops
Example
The farmer harvested wheat using a traditional sickle.
農夫は伝統的な鎌を使って小麦を収穫しました。
A1 modal verb /ʃʊd/

should

べき
Meaning
used to indicate obligation or duty
Example
You should study for your exams.
試験のために勉強すべきです。
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。
B2 noun /ˈstɛriəˌtaɪp/

stereotype

ステレオタイプ
Meaning
A widely held but oversimplified and fixed idea of a particular type of person or thing.
Example
It is a stereotype that all gamers are antisocial.
すべてのゲーマーが反社会的だというのはステレオタイプです。
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。
C1 noun /ˈsɪləbəl/

syllable

音節
Meaning
A unit of pronunciation having one vowel sound, with or without surrounding consonants, forming the whole or part of a word.
Example
The word 'computer' has three syllables.
‘コンピュータ’という言葉は3つの音節から成り立っています。
B2 noun /ˈsɛm.ɪ.nɑːr/

seminar

セミナー
Meaning
A meeting for discussion or training, especially in an academic setting.
Example
The professor invited all students to attend the seminar on climate change.
教授はすべての学生を気候変動に関するセミナーに招待しました。
B1 adjective /spəˈsɪfɪk/

specific

具体的
Meaning
Clearly defined or identified; particular; exact.
Example
Make a specific plan to beat procrastination.
プロクラスティネーションを克服するために、具体的な計画を立ててください。
C1 verb /ˈstaɪfl/

stifle

抑える
Meaning
to prevent or restrain an action, idea, or emotion; to suffocate
Example
She tried to stifle a laugh during the serious meeting.
彼女は真剣な会議中に笑いを抑えようとしました。
B2 noun /ˈsiː.mən/

Seaman

船員
Meaning
a person who works on a ship; sailor
Example
The experienced seaman navigated the ship through the storm.
経験豊富な船員は嵐の中で船を操縦しました。
B2 noun /ˈsiː.krə.si/

Secrecy

秘密
Meaning
the practice of keeping something secret; the state of being kept hidden
Example
The project was conducted in complete secrecy.
そのプロジェクトは完全に秘密の中で行われました。
C1 adjective ˈsek.tər spəˈsɪf.ɪk

sector-specific

業界特定
Meaning
Relating to or designed for a particular sector or industry.
Example
Sector-specific policies attract targeted investments.
業界特定の政策はターゲット投資を引き付けます。
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。
B2 noun /ˈsɑːrdʒənt/

sergeant

軍曹
Meaning
A rank of non-commissioned officer in the armed forces or police.
Example
The sergeant gave orders to the soldiers before the mission.
軍曹は任務の前に兵士たちに命令を出した。
B2 adjective /ˈsoʊbər/

Sober

冷静な; 真剣で思慮深い; 節度のある
Meaning
not affected by alcohol; serious and thoughtful; moderate
Example
He remained sober throughout the celebration.
彼は祝典全体を通して冷静を保っていた。
B2 noun /ˈsɛntəmənt/

Sentiment

感情
Meaning
a feeling or opinion, especially one based on emotion; tender feelings of affection
Example
Public sentiment was strongly against the new policy.
世論は新しい政策に強く反対していた。
B1 adjective ˈsʌb.mə.riːn

submarine

潜水艦
Meaning
Existing, occurring, or used underwater, especially in relation to vessels or cables.
Example
Submarine cables facilitate international communication.
潜水艦ケーブルは国際通信を容易にします。
C1 adjective /ˌsʌb.təˈreɪ.ni.ən/

subterranean

地下
Meaning
Existing, occurring, or done under the earth's surface.
Example
Subterranean water sources help sustain agriculture.
地下の水源は農業の維持に役立ちます。
B2 noun /ˈspɛʃəlti/

specialty

専門
Meaning
a particular area of study, work, or interest; something in which a person or place excels
Example
Her specialty is pediatric medicine.
彼女の専門は小児科医学です。
B2 adjective /ˈsɪk.li/

Sickly

弱い; 病気; 青白い
Meaning
weak and unhealthy; prone to illness; appearing weak or pale
Example
The sickly child needed extra care and attention.
その弱い子供は、特別なケアと注意が必要だった。
A2 adjective /smɑːrt/

Smart

賢い; 機知に富んだ; よく着飾った; スタイリッシュ
Meaning
intelligent; quick-witted; well-dressed; stylish
Example
She made a smart decision to invest in technology stocks.
彼女はテクノロジー株に投資するという賢い決断を下しました。
B2 adjective /sɪmˈbɒlɪk/

symbolic

象徴的
Meaning
serving as a symbol or representing something else
Example
The dove is symbolic of peace and freedom.
鳩は平和と自由の象徴的存在です。
B2 noun /ˈsɜːvɪŋ/

serving

ポーション
Meaning
a portion of food for one person; the act of giving food or drink to someone
Example
He ate a large serving of rice and curry.
彼は大きなポーションのご飯とカレーを食べました。
B1 adjective /ˌstreɪt ˈfɔːr.wərd/

Straight forward

率直で明確; 複雑ではない; 理解しやすい
Meaning
honest and open; not complicated; easy to understand
Example
His explanation was very straightforward and easy to follow.
彼の説明はとても率直で、簡単に理解できました。
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。
C1 adjective /səbˈvɜːrsɪv/

subversive

破壊的
Meaning
seeking or intended to undermine or overthrow an established system or authority
Example
The group was banned for its subversive activities.
そのグループは破壊的な活動のために禁止された。
A2 proper noun /ˌsaʊθ əˈmɛrɪkə/

south america

南アメリカ
Meaning
a continent located in the Western Hemisphere, mostly in the Southern Hemisphere
Example
Brazil is the largest country in South America.
ブラジルは南アメリカで最も大きな国です。
B2 adjective /slaɪ/

sly

ずるい / 狡猾
Meaning
Clever in a deceitful or cunning way.
Example
She gave him a sly smile.
彼女は彼にずるい笑顔を向けた。
C1 adjective /sɪˈkluːdɪd/

secluded

人里離れた
Meaning
Placed apart from other people or things; private and quiet.
Example
They spent their vacation in a secluded beach house.
彼らは人里離れたビーチハウスで休暇を過ごしました。
A1 noun /sɛpˈtɛmbər/

september

9月
Meaning
The ninth month of the year in the Gregorian calendar
Example
My birthday is in September, and I always celebrate it with friends.
私の誕生日は9月で、いつも友達と一緒に祝います。
C1 noun /ˈspɪnstər/

spinster

未婚女性
Meaning
An unmarried woman, often one who is older and considered unlikely to marry
Example
The novel featured a kind-hearted spinster who cared for the village children.
その小説には、村の子供たちの世話をしていた心優しい未婚女性が登場した。
A1 pronoun /ˈsʌmθɪŋ/

something

何か
Meaning
an unspecified or unknown thing
Example
I think something is wrong with my phone.
私の電話に何か問題があると思う。
C2 noun /ˈseɪnjər/

seignior

封建領主
Meaning
A feudal lord; a man of authority in medieval Europe.
Example
The seignior demanded taxes from the peasants.
封建領主は農民から税金を要求した。
C1 adjective /ˈstɔːlwərt/

stalwart

忠実, 頑強
Meaning
Loyal, reliable, and hardworking; strongly built or sturdy.
Example
She has always been a stalwart supporter of the community.
彼女は常にコミュニティの忠実な支持者でした。
C2 verb /sʌbˈtɛnd/

subtend

角度を作る
Meaning
To extend across or form an angle at a particular point, often used in geometry.
Example
The arc subtends a 60-degree angle at the center of the circle.
アークは円の中心で60度の角度を作ります。
A1 noun /ˈsɪstər/

sister

姉 / 妹
Meaning
a female sibling; a girl or woman in relation to other children of her parents
Example
My sister is coming to visit us next week.
私の姉は来週私たちに会いに来ます。
B2 noun, verb /stiːm/

steam

蒸気
Meaning
the vapor into which water is converted when heated; to emit or treat with steam
Example
The kettle was steaming on the stove.
ケトルはストーブで蒸気を発生させていた。
A2 adjective /ˈsep.ər.ət/

Separate

別々; 異なる; 個別; 分離
Meaning
distinct; not connected; individual; apart
Example
Please keep your personal and professional lives separate.
個人的な生活とプロフェッショナルな生活は分けておいてください。
B2 adjective /ˈsɪr.i.əl/

Serial

連続した; シリアル
Meaning
happening in a series; consecutive; arranged in order
Example
The serial killer was finally caught after years of investigation.
連続した殺人者は、長年の調査の後、ついに捕まった。
C2 noun /sɒp/

sop

Meaning
a concession or appeasement to pacify someone; also a piece of bread dipped in liquid
Example
The manager offered a bonus as a sop to the unhappy employees.