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C1 noun /səˈnɑːtə/

sonata

音楽作品 (ソナタ)
Meaning
A musical composition for one or more instruments, typically in several movements.
Example
She performed a beautiful Beethoven sonata on the piano.
彼女はピアノで美しいベートーヴェンのソナタを演奏しました。
C1 noun /ˌspɒn.təˈneɪ.ɪ.ti/

spontaneity

自発性
Meaning
The quality of being spontaneous; natural and unplanned behavior.
Example
His spontaneity makes him a great conversationalist.
彼の自発性は彼を素晴らしい会話者にします。
B1 adjective /səˈfɪʃənt/

Sufficient

十分な; 目的に適した; 満足な
Meaning
enough; adequate for the purpose; satisfactory
Example
We have sufficient time to complete the project.
私たちはプロジェクトを完了するための十分な時間があります。
B2 verb /ˈsʌməraɪz/

summarize

要約する
Meaning
To give a brief statement of the main points of something
Example
She summarized the report in just a few minutes.
彼女は数分で報告書を要約した。
C1 adjective /ˈskeɪ.li/

Scaly

鱗状の
Meaning
covered with scales; having a rough surface like scales
Example
The fish has scaly skin.
その魚はうろこ状の皮膚を持っています。
C1 noun/verb /ˈslʌmbər/

slumber

眠り
Meaning
A state of sleep; to sleep lightly or rest.
Example
The child slumbered peacefully through the night.
子供は一晩中静かに寝ていた。
C1 noun /skraɪb/

scribe

書記
Meaning
a person who writes documents, especially in ancient times; a professional copyist
Example
In ancient Egypt, scribes recorded important events.
古代エジプトでは、スクライブは重要な出来事を記録しました。
C2 adjective /spɪk/

Spick

非常にきれいで整頓された; 完璧
Meaning
extremely clean and neat; immaculate
Example
The house was spick and span after the cleaning.
掃除後、家はまるで新品のようにきれいで整然としていました。
C1 verb /ˈsnɪkər/

snicker

ひそかに笑う
Meaning
to laugh quietly in a disrespectful or mocking way
Example
The students snickered when the teacher made a mistake.
先生が間違えたとき、生徒たちはこっそり笑いました。
B2 adjective ˈsɑːləm

solemn

厳粛
Meaning
Formal and dignified; characterized by deep sincerity.
Example
The day begins with a solemn ceremony at the memorial.
その日は記念碑での厳粛な式典から始まります。
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。
B2 noun /ˈspɒnsər/

sponsor

スポンサー
Meaning
a person or organization that provides funds for a project or activity in exchange for publicity or support
Example
The company became the main sponsor of the event.
その会社はイベントの主要スポンサーとなった。
B1 noun /swiːt pəˈteɪtoʊ/

Sweet potato

さつまいも
Meaning
A root vegetable with sweet flesh, typically orange or purple in color
Example
Roasted sweet potato makes a healthy and delicious side dish.
ローストさつまいもは健康的でおいしいサイドディッシュを作ります。
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。
C1 noun /ˈsɛmbləns/

Semblance

外見; 偽りの形
Meaning
the outward appearance or apparent form of something, especially when the reality is different
Example
There was only a semblance of order in the chaotic office.
混沌としたオフィスには、秩序の外見だけがあった
C1 adjective /səˈsɛp.tə.bəl/

susceptible

特定の物事によって影響を受けやすい、または損傷を受けやすい
Meaning
Likely or liable to be influenced or harmed by a particular thing.
Example
Children are more susceptible to infections.
子供は感染症にかかりやすいです。
C1 adjective /ˈsteɪtli/

stately

威厳と壮大
Meaning
Having a dignified, majestic, and impressive appearance or manner.
Example
The stately mansion stood at the end of the long driveway.
その威厳ある邸宅は長いドライブウェイの終わりに立っていました。
C2 noun /sfɛˈrɪsɪti/

sphericity

球形
Meaning
The quality or state of being spherical; roundness.
Example
The sphericity of the ball made it roll smoothly on the ground.
ボールの球形は、地面でスムーズに転がるのを可能にしました。
C1 noun /ˈstjuːpər/

stupor

昏迷
Meaning
a state of near-unconsciousness or insensibility
Example
He remained in a stupor after hearing the shocking news.
彼は衝撃的なニュースを聞いた後、昏迷状態に陥った。
B1 adverb /ˈspeʃ.əl.i/

Specially

特別に
Meaning
for a particular purpose; especially; specifically
Example
This gift was specially made for you.
このギフトは特別にあなたのために作られました。
C1 verb, noun /sæp/

sap

樹液 / 弱める
Meaning
As a noun: the vital fluid in plants; As a verb: to gradually weaken or drain strength.
Example
The long journey began to sap his energy.
長い旅が彼のエネルギーを弱め始めた。
B2 adjective /ˈstʌdid/

studied

慎重な
Meaning
carefully considered, deliberate, or planned
Example
Her response was calm and studied, not impulsive.
彼女の返答は冷静で慎重であり、衝動的ではなかった。
B1 noun /ʃɑːrk/

Shark

サメ
Meaning
a large marine fish with sharp teeth and a cartilaginous skeleton
Example
The shark is a powerful predator of the ocean.
サメは海の強力な捕食者です。
B2 adverb /ˈsmuːð.li/

Smoothly

スムーズに; 問題なく
Meaning
without problems or difficulties; in an even and regular way
Example
The car runs smoothly on the new highway.
車は新しい高速道路でスムーズに走る。
B1 noun /ʃeɪm/

Shame

恥
Meaning
a painful feeling of humiliation or distress; something regrettable
Example
He felt deep shame for his dishonest behavior at work.
彼は仕事での不誠実な行動に深い恥を感じた。
C1 noun /ˈsaɪnəs/

sinus

副鼻腔
Meaning
A cavity within a bone or tissue, especially those in the bones of the face connected with the nasal cavities.
Example
He suffered from a sinus infection that caused headaches.
彼は副鼻腔感染症に苦しんでおり、頭痛を引き起こしました。
C1 noun /skwɔːl/

squall

突風
Meaning
a sudden violent gust of wind, often accompanied by rain, snow, or sleet
Example
A sudden squall caught the sailors off guard.
突然の突風が船員たちを驚かせた。
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。
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

間隔反復
Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
スペースド・リピティションは長期記憶を保持するのに役立ちます。
C1 noun /stɪˈlɛtoʊ/

stiletto

細いヒールの靴 / ダガー
Meaning
A small, thin, high-heeled shoe or a dagger with a slender blade.
Example
She wore elegant stiletto heels to the party.
彼女はパーティーにエレガントなスティレットヒールを履いて行きました。
A1 adjective /smɔːl/

Small

小さい; 限られた; 狭い
Meaning
little in size; not large; limited in extent or amount
Example
She lives in a small apartment near the university.
彼女は大学の近くの小さなアパートに住んでいます。
B2 adjective ˈskɒl.ə.li

scholarly

学問的な
Meaning
Having or showing great knowledge or learning; academic in approach or method.
Example
He wrote a scholarly article on ancient philosophy.
彼は古代哲学についての学問的な記事を書いた。
B2 noun/verb /ˈsoʊ.ɪŋ/

sewing

裁縫
Meaning
The activity or skill of joining fabric using a needle and thread
Example
She enjoys sewing her own clothes on weekends.
彼女は週末に自分の服を裁縫するのを楽しみます。
C1 adjective /ˈspɛktrəl/

spectral

幽霊のような
Meaning
Relating to a ghost or specter; ghostly. Also relating to a spectrum.
Example
The old mansion had a spectral atmosphere at night.
古い館には夜、幽霊のような雰囲気が漂っていた。
B1 noun /ˈspɪn.ɪtʃ/

Spinach

ほうれん草
Meaning
a vegetable with large dark green leaves that are eaten cooked or uncooked
Example
Fresh spinach is very nutritious.
新鮮なほうれん草はとても栄養価が高いです。
B2 noun /sɪlk/

silk

絹
Meaning
a fine, smooth fabric made from the threads produced by silkworms
Example
The dress was made of pure silk.
そのドレスは純粋な絹で作られていた。
A2 noun /ˈsiːkrət/

secret

Meaning
something that is kept or meant to be kept unknown or unseen by others
Example
He told me a secret about his childhood.
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 /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。
A2 verb /saɪn/

sign

署名
Meaning
to write your name on something to show agreement or approval; to make a gesture with meaning
Example
Please sign the contract at the bottom of the page.
ページの下部で契約書にサインしてください。
A2 noun /ˈsoʊldʒər/

soldier

兵士
Meaning
a person who serves in an army, especially as a professional fighter
Example
The soldier marched proudly with his unit.
兵士は誇りを持って自分の部隊と共に行進した。
B2 verb /ˈsprɪŋkəl/

sprinkle

Meaning
to scatter small drops or particles of a substance over a surface
Example
She sprinkled sugar on top of the cake.
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。
B1 adverb /ˈʃɔːt.li/

Shortly

まもなく; 少しの間で; 簡潔に
Meaning
soon; in a short time; briefly
Example
The meeting will begin shortly.
会議はまもなく始まります。
C1 adjective /sɛkˈtɛəriən/

sectarian

宗派的
Meaning
relating to or characterized by the differences between sects, often leading to conflict
Example
The region has been troubled by sectarian violence for decades.
この地域は数十年にわたり宗派的な暴力に悩まされてきました。
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。
A1 noun /skaɪ/

Sky

空
Meaning
the region of the atmosphere and outer space seen from the earth
Example
The sky is blue today.
今日は空が青いです。
C2 adjective /səˈleɪʃəs/

salacious

わいせつな
Meaning
Having or conveying undue or inappropriate sexual interest.
Example
The tabloid published a salacious story about the celebrity.
タブロイドはそのセレブに関するわいせつな話を公開した。
C1 noun /ˈsɔː.dʌst/

sawdust

木屑
Meaning
The tiny particles of wood produced by sawing or sanding.
Example
The floor was covered with sawdust from the carpentry work.
床は大工仕事からの木屑で覆われていました。
A2 verb /smel/

smell

匂いをかぐ
Meaning
to perceive odor through the nose; to have an odor
Example
The flowers smell sweet.
花は甘い香りがする。
C1 adjective /ˈsɛnʃənt/

sentient

感覚的
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
人間は推論する能力を持った感覚的存在です。
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。
C1 noun /ˌsɛlfsəˈfɪʃənsi/

Self-sufficiency

自給自足
Meaning
the ability to supply one's own needs without external assistance; independence
Example
The farm achieved complete self-sufficiency in food production.
その農場は食品生産において完全な自給自足を達成しました。
A1 verb /sɪt/

sit

座る
Meaning
to rest in a seated position; to be located
Example
Please sit down and make yourself comfortable.
どうぞ座って快適にしてください。
B1 noun səˈluː.ʃənz

solutions

解決策
Meaning
A means of solving a problem or dealing with a difficult situation.
Example
Biotechnology provides solutions to environmental challenges.
バイオテクノロジーは環境問題に対する解決策を提供します。
C2 adjective /ˌsʌb.əˈkwɒt.ɪk/

subaquatic

水中
Meaning
Existing, living, or located under water.
Example
Divers explored the subaquatic cave system filled with rare fish.
ダイバーたちは珍しい魚でいっぱいの水中洞窟システムを探査しました。
A1 pronoun /ˈsʌmbədi/

somebody

誰か
Meaning
an unspecified person
Example
Somebody is knocking at the door.
誰かがドアをノックしています。
C1 noun /ˈsiːskeɪp/

seascape

海の景色
Meaning
A view or painting of the sea.
Example
The artist painted a beautiful seascape at sunset.
アーティストは夕日で美しい海の景色を描きました。
C2 verb /sɪˈkwɛstreɪt/

sequestrate

差し押さえる
Meaning
To take legal possession of assets until a debt is paid or disputes are resolved.
Example
The court decided to sequestrate the company's property.
裁判所は会社の財産を差し押さえることを決定しました。
B2 noun /ˌsɒl.ɪˈdær.ə.ti/

Solidarity

団結
Meaning
unity or agreement of feeling or action among individuals with a common interest
Example
The workers showed solidarity during the strike.
労働者はストライキの間、団結を示しました。
B2 noun /sɜːˈveɪ.ləns/

surveillance

監視
Meaning
Close observation, especially of a suspected spy or criminal; continuous watching of a place, person, or situation.
Example
Government agencies conduct surveillance on cyber threats.
政府機関はサイバー脅威の監視を行っています。
C1 noun /ˌsɑːrdʒənt ˈmeɪdʒər/

sergeant-major

サージェント・メイジャー
Meaning
A senior non-commissioned officer in the army responsible for discipline and administration within a unit.
Example
The sergeant-major inspected the troops before the parade.
サージェント・メイジャーはパレード前に部隊を点検しました。
B2 noun /ˈstɔːrɪdʒ/

storage

保存
Meaning
the action or method of storing something for future use
Example
The warehouse offers plenty of storage space.
倉庫にはたくさんの保存スペースがあります。
C1 noun /ˈstɪklər/

stickler

規則にうるさい人
Meaning
a person who insists on a certain quality or standard of behavior
Example
He is a stickler for punctuality and never tolerates delays.
彼は時間にうるさく、遅れを許しません。
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 adjective ˌsʌr.əpˈtɪʃ.əs

surreptitious

秘密の
Meaning
Kept secret, especially because it would not be approved of; done stealthily.
Example
She took a surreptitious glance at his notes.
彼女は彼のノートをひそかに覗き見た。
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。
C1 noun ˌsteɪbəlaɪˈzeɪʃən

stabilization

安定化
Meaning
The process of making or becoming stable.
Example
The stabilization of the structure was essential after the earthquake.
地震後、構造の安定化が不可欠でした。
B2 noun /ˈsʌ.plɪ.mənt/

Supplement

サプリメント
Meaning
something that completes or adds to something else; a dietary product
Example
She takes vitamin supplements to maintain her health.
彼女は健康を維持するためにビタミンサプリメントを摂取します。
C1 adjective /ˌsækrəˈlɪdʒəs/

sacrilegious

冒涜的
Meaning
Showing disrespect or irreverence toward something sacred.
Example
The painting was criticized as being sacrilegious.
その絵画は冒涜的だと批判されました。
B2 adjective /səˈraʊndɪŋ/

surrounding

周囲の
Meaning
located all around a particular place or thing; nearby
Example
The surrounding hills were covered in mist.
周囲の丘は霧に包まれていました。
B2 verb /skæn/

scan

幸福
Meaning
To look at something carefully or quickly; to digitally copy or capture an image or document.
Example
She scanned the document before sending it by email.
彼女は賞を受け取ったとき、喜びを隠せませんでした。
B2 adjective /ˈsɛkʃʊəl/

sexual

セクシャル
Meaning
relating to the instincts, physiological processes, and activities connected with physical attraction or intimate physical contact between individuals
Example
The sexual health of individuals is an important topic in modern medicine.
個々の性の健康は現代医学において重要なトピックです。
C2 adjective /ˈsækərɪn/

saccharine

幸せ
Meaning
Excessively sweet or sentimental.
Example
His saccharine smile seemed insincere.
彼女は賞を受け取ったとき、自分の幸せを隠せなかった。
C1 noun /ˈʃær.ən fruːt/

Sharon fruit

シャロンフルーツ
Meaning
a sweet orange persimmon fruit that can be eaten when firm
Example
The Sharon fruit is sweet and can be eaten like an apple.
シャロンフルーツは甘く、リンゴのように食べることができます。
C2 noun /ˈsɪlədʒɪzəm/

syllogism

三段論法
Meaning
A form of reasoning in which a conclusion is drawn from two given or assumed premises.
Example
The philosopher explained the concept of syllogism using simple examples.
哲学者は簡単な例を使って三段論法の概念を説明しました。
B2 adjective /skeərs/

Scarce

希少な; 見つけにくい; 少量で存在する
Meaning
rare; not easily found; existing in small quantities
Example
Fresh water is becoming increasingly scarce in desert regions.
砂漠地帯では、淡水がますます希少になっています。
B1 noun /seɪk/

Sake

目的; 理由;
Meaning
purpose or reason for doing something; benefit or interest
Example
She worked overtime for the sake of her family's future.
彼女は家族の未来のために残業しました。
C1 verb /spɜːr/

spur

促す / 奨励する
Meaning
To encourage or motivate someone to take action.
Example
The teacher's praise spurred him to study harder.
教師の賞賛は彼にもっと一生懸命勉強するように促した。
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。
B1 noun /stiːl/

steel

スチール
Meaning
a strong, hard metal made of iron and carbon
Example
The building was made from steel to ensure its durability.
その建物は耐久性を確保するためにスチールで作られました。
B1 verb /slɪp/

slip

滑る
Meaning
to lose balance or fall while moving, or to accidentally slide from a position
Example
She slipped on the wet floor and fell.
彼女は濡れた床で滑って転んだ。
C2 noun /ˈsteɪtkraft/

statecraft

国政術
Meaning
The art of governing and managing state affairs effectively.
Example
The leader was praised for his exceptional statecraft in handling international relations.
リーダーは国際関係を扱う際の卓越した国政術に対して称賛されました。
B2 adjective /ˈspɒtɪd/

Spotted

斑点のある; 見られた; マークされた
Meaning
having spots or marks; noticed or seen
Example
The spotted leopard moved silently through the jungle.
斑点のあるヒョウはジャングルを静かに歩いた。
B2 noun /ˈsɑːfmɔːr/

sophomore

二年生
Meaning
a student in their second year of study at a university or high school
Example
He’s a sophomore in college, studying computer science.
彼は大学で2年生で、コンピュータサイエンスを勉強しています。
B2 adjective /ˈskeptɪkəl/

Sceptical

懐疑的な; 疑わしい; 何かの真実に疑問を抱く
Meaning
having doubts; not easily convinced; questioning the truth of something
Example
Many scientists remain sceptical about the new theory.
多くの科学者が新しい理論に対して懐疑的な立場を取っている。
B2 verb /straɪv/

strive

努力する
Meaning
To make great efforts to achieve or obtain something.
Example
She strives to be the best student in her class.
彼女はクラスで最も優れた生徒になるよう努めている。
A1 verb /spik/

speak

話す
Meaning
to say words; to communicate verbally
Example
She can speak three languages fluently.
彼女は3つの言語を流暢に話せます。
B2 noun, verb /steɪk/

stake

株式, リスク
Meaning
A share or interest in a business or venture; to risk or support something of value.
Example
He has a major stake in the new company.
彼は新しい会社に大きな利害関係を持っています。
C1 noun, verb /ˈskʌf.əl/

scuffle

乱闘
Meaning
a short, confused fight or struggle; to engage in such a fight
Example
Two players scuffled on the field after the foul.
ファウルの後、二人の選手がフィールドで殴り合った。
B1 noun, verb /stɒk/

stock

在庫
Meaning
a supply of goods kept for sale or use; to keep or fill with goods
Example
The shop stocks a wide variety of products.
その店はさまざまな製品を在庫しています。
B2 noun /ˈsaɪrən/

siren

サイレン
Meaning
A device that makes a loud prolonged sound as a signal or warning; in mythology, a creature that lures sailors with enchanting songs.
Example
The police car passed with its siren blaring.
警察車両はサイレンを鳴らしながら通り過ぎました。
B2 noun /spaɪt/

spite

意地悪
Meaning
a desire to hurt, annoy, or offend someone
Example
She refused the gift out of spite.
彼女は意地悪で贈り物を拒否した。
C1 noun /səˈlɪləkwi/

soliloquy

独白
Meaning
a speech in which a character talks to themselves, often used in drama to reveal inner thoughts
Example
Hamlet's soliloquy is one of the most famous passages in Shakespearean drama.
ハムレットの独白はシェイクスピアのドラマの中で最も有名なパッセージの一つです。
B2 adjective /səˈpɔːtɪv/

supportive

支援的な
Meaning
providing encouragement or emotional help to someone
Example
She was very supportive during my difficult times.
彼女は私の困難な時期に非常に支援的でした。
C1 noun ˈsɒl.vən.si

solvency

負債を超える資産の所有; 借金を返済する能力
Meaning
The possession of assets in excess of liabilities; ability to pay debts.
Example
The company's solvency improved after restructuring.
会社のソルベンシーは再編成後に改善されました。
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。
B1 verb səˈpɔːrtɪŋ

supporting

支援する
Meaning
Giving assistance to; helping to bear the weight of something.
Example
Supporting education initiatives helps reduce child labour.
教育の取り組みを支援することは、児童労働を減らすのに役立ちます。
C1 noun /ʃeɪl/

shale

頁岩
Meaning
a fine-grained sedimentary rock that can be split into thin layers
Example
The region is rich in shale and natural gas deposits.
その地域は頁岩と天然ガスの埋蔵量が豊富です。
B1 noun /sʌm/

sum

合計
Meaning
the total amount resulting from the addition of two or more numbers or items
Example
The sum of 8 and 12 is 20.
8と12の合計は20です。
A2 noun /skɪlz/

skills

技術
Meaning
The ability to do something well; expertise.
Example
Learning new skills can increase personal and professional growth.
新しいスキルを学ぶことで、個人的および職業的成長が促進されることがあります。
B1 noun ˈsɪs.təmz

systems

システム
Meaning
A set of connected things or parts forming a complex whole.
Example
Effective systems improve productivity.
効果的なシステムは生産性を向上させます。
B2 adjective səˈsteɪ.nə.bəl

sustainable

持続可能な
Meaning
Able to be maintained at a certain rate or level; conserving an ecological balance.
Example
Sustainable practices mitigate environmental impact.
持続可能な実践は環境への影響を軽減します。
A2 verb /stʌk/

stuck

詰まった
Meaning
unable to move; fixed in one position; unable to continue
Example
The door is stuck and won't open.
ドアが詰まっていて、開きません。
B2 noun /sɪnˈserɪti/

Sincerity

誠実さ
Meaning
the quality of being free from pretense or deceit; honesty
Example
His sincerity in apologizing was evident to everyone.
彼の謝罪の真摯さは、すべての人に明らかだった。
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。
C1 adjective /ˈseɪ.li.ənt/

salient

重要な、顕著な、または目立つ
Meaning
Most important, prominent, or noticeable
Example
The report highlighted the salient points of the discussion.
レポートは議論の重要な点を強調しました。
C1 noun /ˈsɛntɪnəl/

sentinel

衛兵
Meaning
A soldier or guard whose job is to stand and keep watch.
Example
A sentinel stood at the entrance of the camp.
一人の衛兵がキャンプの入り口に立っていた。
B1 noun /ˈʃæd.oʊ/

Shadow

影
Meaning
a dark area where light is blocked by something; a person's silhouette
Example
The tree cast a long shadow across the garden in the evening.
木は夕方に庭に長い影を投げかけた。
B2 noun /ˈseɡ.mənt/

Segment

セクション; 部分; セグメント
Meaning
each of the parts into which something is divided; a section or portion
Example
The orange was divided into eight segments.
オレンジは8つのセグメントに分けられました。
C2 adjective /ˈsɪŋkəˌpeɪtɪd/

syncopated

シンコペイテッド
Meaning
Characterized by displaced beats or rhythms, especially in music.
Example
The jazz piece had a syncopated rhythm that energized the crowd.
ジャズの曲には、群衆を元気づけたシンコペイテッドのリズムがありました。
B1 noun /ˈspɛndɪŋ/

spending

Meaning
the act of paying money for goods or services
Example
Her spending on clothes was higher than expected.
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。
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。
C2 noun /skæd/

scad

スカッド魚
Meaning
A type of fish of the jack family; also informally means a large number or quantity.
Example
The fisherman caught a scad in the net.
漁師は網でスカッドを捕まえました。
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。
C1 adjective /ˈspel.baʊnd/

Spellbound

夢中; 魅了された
Meaning
completely fascinated and unable to move or think about anything else; enchanted
Example
The children sat spellbound as the magician performed his tricks.
子供たちは魔法使いが技を披露するのを夢中で見ていました。
C2 adjective /ˌstætʃuˈɛsk/

statuesque

彫像のような
Meaning
Having the grace, beauty, or dignity of a statue; tall and attractively proportioned.
Example
She had a statuesque figure that turned heads wherever she went.
彼女は彫像のような体型をしていて、どこに行っても人々の視線を引きつけていた。
A1 verb /set/

set

設置する
Meaning
to put or place something in a position; to establish
Example
She set the book on the table.
彼女は本をテーブルに置いた。
B1 noun, verb /strɪŋ/

string

ひも
Meaning
a thin piece of cord or thread; to tie or fasten with a string
Example
She tied the package with a string.
彼女はパッケージを糸で結びました。
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。