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B2 verb /siːz/

seize

奪う
Meaning
To take hold of suddenly and forcibly.
Example
The police managed to seize the stolen goods.
警察は盗まれた商品を押収することに成功した。
C1 adjective /ˈsaɪt.ləs/

Sightless

盲目; 視力なし
Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
盲目の男性はガイド犬と一緒に通りを歩きました。
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。
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.
B2 adjective /ˌsɪm.pəˈθet.ɪk/

Sympathetic

思いやりのある; 理解力のある; 敏感な;
Meaning
showing compassion or understanding for someone's feelings or situation
Example
She was very sympathetic when I told her about my problems.
私が自分の問題について話したとき、彼女はとても思いやりがありました。
B2 adverb /ˈstɛdɪli/

steadily

着実に
Meaning
in a regular and continuous way; without stopping or changing
Example
The company's profits have been increasing steadily.
会社の利益は着実に増加しています。
C1 noun /ˈsɛdətɪv/

sedative

鎮静剤
Meaning
A substance that calms the nerves or induces sleep.
Example
The doctor prescribed a sedative to help the patient sleep.
医者は患者が眠れるように鎮静剤を処方しました。
B1 noun /ˈsɛkʃən/

section

セクション
Meaning
a distinct part or subdivision of something larger
Example
This section of the report needs further review.
この報告書のセクションは、さらに検討する必要があります。
C2 adjective /ˈsteɪ.dʒi/

stagy

過剰に演劇的
Meaning
Overly theatrical, artificial, or exaggerated in manner or style.
Example
Her performance felt stagy and unnatural.
彼女のパフォーマンスは過剰に演劇的で不自然に感じられた。
C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

衛生管理
Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
定期的な衛生管理により、機器が無菌状態に保たれます。
B2 verb /spɛər/

spare

余分に与える / 節約する
Meaning
To give something that one has extra of; to refrain from harming or killing.
Example
Could you spare me a few minutes of your time?
あなたは私に少し時間を割いてくれますか？
B2 noun /səˈvaɪvl/

survival

サバイバル
Meaning
the state of continuing to live or exist, typically in difficult conditions
Example
Survival in the wild can be a challenging experience.
野生でのサバイバルは、挑戦的な経験となることがあります。
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。
C1 verb /ˈstriːm.laɪn/

streamline

効率化または効率を高める
Meaning
To make a process simpler and more efficient.
Example
The company aims to streamline production to reduce costs.
会社はコスト削減のために生産の効率化を目指しています。
C1 adjective /sɑːrˈdɒnɪk/

sardonic

幸福
Meaning
Grimly mocking or cynical.
Example
She gave him a sardonic smile after hearing his excuse.
彼女は賞を受け取ったとき、自分の幸福を隠すことができませんでした。
C2 noun /ˌsɪŋ.krəˈnɪs.ɪ.ti/

synchronicity

シンクロニシティ
Meaning
The meaningful coincidence of two or more events that are not planned.
Example
The synchronicity of their thoughts amazed everyone.
彼らの思考のシンクロニシティは皆を驚かせました。
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。
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。
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。
C1 noun /ˈstænzə/

stanza

スタンザ
Meaning
a group of lines forming a unit in a poem or song
Example
The poem begins with a stanza describing nature.
その詩は自然を描写するスタンザで始まります。
C1 noun /ˈstɪɡmə/

stigma

汚名
Meaning
a mark of shame or disgrace associated with a particular circumstance or quality
Example
There is still a stigma around mental health issues in many societies.
多くの社会では、精神的な健康問題に関して未だに汚名がついています。
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。
C1 verb /ˈsɪnɚdʒaɪzd/

synergized

シナジー効果が得られるようにする, 力を合わせる, 協力する
Meaning
Combine in such a way that the total effect is greater than the sum of the individual effects.
Example
The teams were synergized to maximize productivity.
チームは生産性を最大化するために協力しました。
C2 verb /ˈsnʌfəl/

snuffle

鼻で音を立てて息をする
Meaning
to breathe noisily through the nose, often because of crying or a cold
Example
The child began to snuffle after crying for a long time.
子供は長時間泣いた後に鼻で音を立てて息をし始めました。
B1 adverb /sɪɡˈnɪfɪkəntli/

significantly

顕著に
Meaning
in a way that is large or important enough to have an effect
Example
The economy has significantly improved over the last decade.
経済は過去10年間で顕著に改善しました。
B2 verb /səkˈsiːdɪŋ/

succeeding

次の / 続く
Meaning
coming after or following in order; continuing to succeed
Example
In the succeeding years, the company expanded rapidly.
その後の数年間、会社は急速に拡大しました。
C1 noun /ˈsæf.aɪər/

Saphire

サファイア
Meaning
a precious stone that is typically blue in color
Example
The royal crown was adorned with a large sapphire.
ロイヤルクラウンは大きなサファイアで飾られていました。
C1 verb /siːp/

seep

しみ出す
Meaning
to flow or leak slowly through small openings or pores
Example
Water began to seep through the cracks in the wall.
水が壁のひび割れからしみ出し始めました。
B2 verb /skoʊld/

scold

叱る
Meaning
to criticize angrily; to rebuke
Example
The teacher scolded the students for being late.
先生は遅刻した学生を叱りました。
B1 adjective ˈsen.sɪ.tɪv

sensitive

敏感
Meaning
Quick to detect or respond to slight changes, signals, or influences.
Example
Sensitive systems require precise handling.
敏感なシステムは精密な操作が必要です。
C1 noun ˈsɪnədʒi

synergy

相乗効果, 協力
Meaning
The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects.
Example
The synergy between the two companies led to a successful partnership.
二つの会社間の相乗効果により、成功したパートナーシップが生まれました。
C2 verb /ˈsnɪvəl/

snivel

弱い、またはイライラさせる方法で泣くまたは不平を言う
Meaning
to cry or complain in a weak or annoying way
Example
He began to snivel when he didn’t get his way.
自分の思い通りにならなかったとき、彼は泣き始めた。
A1 adjective /ˈsɪmpəl/

Simple

簡単な; シンプル; 複雑でない
Meaning
easy to understand or do; not complicated
Example
This is a simple recipe that anyone can follow.
これは誰でもフォローできる簡単なレシピです。
A1 noun /ʃɜːrt/

Shirt

シャツ
Meaning
a piece of clothing worn on the upper body with sleeves and buttons
Example
He wore a white shirt to the office.
彼はオフィスに白いシャツを着て行った。
A1 verb /spend/

spend

使う
Meaning
to use money to buy something; to pass time
Example
I spend too much money on books.
私は本にお金を使いすぎています。
C1 noun /ˌsʌpəˈzɪʃən/

supposition

仮定
Meaning
An assumption or belief that something is true without certain proof.
Example
His plan was based on the supposition that the market would recover quickly.
彼の計画は、市場がすぐに回復するという仮定に基づいていました。
B2 verb /ˈspɛkjʊˌleɪt/

speculate

推測する / 投資する
Meaning
To form a theory or guess without firm evidence; to invest in stocks, property, etc. hoping for profit.
Example
Experts speculate that the company may expand into new markets.
専門家は会社が新しい市場に進出する可能性があると予測しています。
C1 verb /ˈsɪn.θə.saɪz/

synthesize

合成する
Meaning
To combine a number of things into a coherent whole.
Example
Scientists synthesize new compounds for medical research.
科学者たちは医学研究のために新しい化合物を合成しています。
B1 noun /ˈsʌb.mə.riːn/

Sub-marine

潜水艦
Meaning
a warship with a streamlined hull designed to operate completely submerged in the sea
Example
The submarine dived deep into the ocean to avoid detection.
潜水艦は海中深く潜水して、発見を避けました。
B2 adjective /ˈʃeɪm.fəl/

Shameful

恥ずかしい; 不名誉な; 恥ずかしい
Meaning
causing shame; disgraceful; embarrassing
Example
His shameful behavior embarrassed the entire family.
彼の恥ずかしい行動は家族全員を困惑させました。
A2 noun /ˈsuːt.keɪs/

suitcase

スーツケース
Meaning
A portable rectangular container for carrying clothes and personal items when traveling
Example
She packed her clothes into a suitcase for the trip.
彼女は旅行のために服をスーツケースに詰めた。
C1 adjective /skænt/

Scant

わずかな
Meaning
barely sufficient; inadequate; small in amount
Example
There was scant evidence to support his claim.
彼の主張を支持する証拠はほとんどなかった。
B2 verb /ˈsɪmpəθaɪz/

sympathize

同情する
Meaning
to feel sorry for someone; to understand and share someone's feelings
Example
I sympathize with your loss.
あなたの損失に同情します。
C1 noun səˈsteɪnəbəl ˈpræktɪsɪz

sustainable practices

持続可能な実践
Meaning
Methods and activities that can be maintained over time without depleting natural resources or harming the environment.
Example
Sustainable practices are vital for environmental preservation.
持続可能な実践は環境保護にとって重要です。
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。
B2 verb /slæm/

slam

強く閉める
Meaning
to close or hit something with great force
Example
He slammed the door angrily after the argument.
彼は議論の後に怒ってドアを叩きつけた。
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。
B2 verb /sɪp/

sip

すする
Meaning
to drink in small quantities; to taste carefully
Example
She sipped her tea slowly while reading the newspaper.
彼女は新聞を読みながら、ゆっくりとお茶をすすっていました。
C2 adjective /səˈræfɪk/

seraphic

天使のような
Meaning
Of or like a seraph; angelic, pure, and blissful.
Example
She gave him a seraphic smile that calmed his fears.
彼女は彼に天使のような微笑みをくれて、彼の恐れを和らげた。
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。
C2 adjective /ˈsɒmnələnt/

somnolent

眠気を催す
Meaning
Sleepy or drowsy; causing a desire to sleep.
Example
The somnolent lecture made half the class fall asleep.
その眠気を催す講義は、クラスの半分を寝かせてしまった。
B2 verb /ˈsʌmən/

summon

Meaning
To order someone to come or to gather courage or strength.
Example
The king summoned his advisors to the court.
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。
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。
A2 noun /ˈstjuːdiəʊ/

studio

スタジオ
Meaning
a room where an artist, photographer, musician, or broadcaster works
Example
The singer recorded her new song in the studio.
歌手はスタジオで新しい曲を録音しました。
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 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。
C1 verb /səˈlɪsɪt/

solicit

お願いする
Meaning
to ask for or try to obtain something from someone
Example
The charity is soliciting donations for flood victims.
チャリティは洪水の被害者のために寄付を募っています。
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。
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。
B1 adverb /ˈsædli/

sadly

悲しそうに
Meaning
in a sorrowful or unhappy manner
Example
She sadly waved goodbye as the train departed.
彼女は電車が出発するとき、悲しそうに手を振った。
C2 noun /ˌsɪmjʊˈleɪkrəm/

simulacrum

シミュラクル
Meaning
an image or representation of someone or something; a superficial likeness
Example
The statue was only a simulacrum of the ancient god.
その像は古代の神のシミュラクルに過ぎなかった。
B2 adjective ˈstrʌktʃərd

structured

構造化
Meaning
Having a clear organization or framework; systematically arranged.
Example
A structured execution plan is crucial for success.
構造化された実行計画は成功にとって重要です。
B2 noun səˌsteɪ.nəˈbɪl.ɪ.ti

sustainability

持続可能性
Meaning
The ability to be maintained at a certain rate or level; the avoidance of the depletion of natural resources in order to maintain ecological balance.
Example
Sustainability ensures long-term environmental health.
持続可能性は長期的な環境健康を保証します。
A2 noun /ˈseɪf.ti/

Safety

安全
Meaning
condition of being protected from danger, risk, or injury
Example
The company prioritizes workplace safety above all else.
その会社は職場の安全を最優先しています。
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 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。
B2 noun /sɪɡˈnɪf.ɪ.kəns/

Significance

重要性
Meaning
the quality of being worthy of attention; importance
Example
The discovery has great significance for medical research.
その発見は医学研究にとって大きな意義があります。
B2 noun /ˈstrʌk.tʃərz/

structures

構造物
Meaning
Buildings or other objects constructed from several parts.
Example
The region has ancient structures.
その地域には古代の構造物があります。
A2 adjective /streɪt/

Straight

まっすぐな; 直線的な; 正直な;
Meaning
extending or moving uniformly in one direction; not curved or bent; honest
Example
Draw a straight line from point A to point B.
ポイントAからポイントBまでまっすぐな線を引いてください。
C1 adjective /ˈsɔːrdɪd/

sordid

卑劣な
Meaning
involving immoral or dishonorable actions; dirty or unpleasant
Example
The newspaper exposed the politician's sordid past.
新聞は政治家の卑劣な過去を暴露した。
B2 adjective /ˈsoʊlər/

solar

太陽の
Meaning
Relating to or determined by the sun
Example
The house is powered by solar energy.
この家は太陽エネルギーで動いています。
A2 noun /sænd/

sand

幸せ
Meaning
Small loose grains of crushed rock, found on beaches and deserts.
Example
Children built castles out of sand on the beach.
彼女は賞を受け取ったとき、幸せを隠せなかった。
C1 adjective /ˈsɛn.sər.i/

sensory

感覚的
Meaning
Related to the five human senses (sight, hearing, taste, touch, smell).
Example
Sensory feedback enhances the VR experience.
感覚的フィードバックはVR体験を強化します。
B2 verb /ˈspɛsɪfaɪ/

specify

指定する
Meaning
to state or describe something clearly and exactly
Example
Please specify the time and place of the meeting.
会議の時間と場所を指定してください。
B2 noun /ˈsuː.ɪ.saɪd/

Suicide

自殺
Meaning
the act of intentionally killing oneself
Example
Mental health professionals work to prevent suicide.
メンタルヘルスの専門家は自殺を防ぐために働いています。
B2 verb /sɜːrdʒ/

surge

急増
Meaning
to move suddenly and powerfully forward or upward
Example
The crowd surged forward when the gates opened.
ゲートが開くと、群衆は前方に押し寄せました。
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。
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。
B2 noun /ˈsæksəfoʊn/

Saxophone

サクソフォン
Meaning
a wind musical instrument with a curved metal body and a single reed mouthpiece
Example
The jazz musician played a beautiful solo on his saxophone.
ジャズのミュージシャンは自分のサクソフォンで美しいソロを演奏しました。
C2 verb, adjective /ˈstraɪeɪt/

striate

縞模様にする
Meaning
to mark with stripes or grooves; striped or streaked in appearance
Example
The rock surface was striated by glacial movement.
氷河の動きによって岩石の表面に縞模様ができました。
C1 verb /ˈstɪɡmətaɪz/

stigmatize

スティグマタイズする
Meaning
to describe or regard someone as worthy of disgrace or disapproval
Example
People with certain illnesses are often unfairly stigmatized.
特定の病気の人々はしばしば不当な方法でスティグマタイズされる。
C1 adjective /sɪmˈplɪstɪk/

simplistic

過度に単純化された
Meaning
treating complex issues as if they were much simpler than they really are
Example
His explanation was too simplistic and ignored key details.
彼の説明は過度に単純化されており、重要な詳細を無視していました。
C1 noun /ˈskep.tɪ.sɪ.zəm/

skepticism

懐疑主義, 疑念
Meaning
A skeptical attitude; doubt as to the truth of something.
Example
His skepticism about new technology often makes him resistant to change.
新しい技術に対する彼の懐疑主義は、彼を変化に対して抵抗力を持たせる。
C1 verb /ˈsætəˌraɪz/

satirize

風刺する
Meaning
to mock or criticize something using satire
Example
The play satirizes the greed of modern corporations.
その劇は現代の企業の貪欲さを風刺しています。
C2 noun /ˈsɪnəd/

synod

シノド
Meaning
An assembly of the clergy in a Christian church convened to decide on issues of doctrine or administration.
Example
The synod gathered to discuss reforms in the church.
シノドは教会での改革について議論するために集まった。
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。
A2 adjective /ˈspænɪʃ/

spanish

スペイン語
Meaning
relating to Spain or the Spanish language
Example
She is fluent in Spanish and French.
彼女はスペイン語とフランス語に堪能です。
B2 adjective /ˈstuː.di.əs/

Studious

勉強熱心; 学問に没頭
Meaning
characterized by diligent study; devoted to learning
Example
She is a studious student who spends hours in the library.
彼女は図書館で何時間も過ごす勉強熱心な学生です。
C2 adjective /ˈsiːmli/

seemly

適切
Meaning
proper or appropriate in behavior or appearance
Example
It was not seemly to argue loudly during the ceremony.
式典中に大声で議論するのは適切ではありませんでした。
B1 noun ˈstrʌk.tʃər

structure

構造
Meaning
The arrangement of and relations between the parts or elements of something complex.
Example
The structure is designed for safety and functionality.
構造は安全性と機能性のために設計されています。
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。
C1 adjective /skəˈlæstɪk/

scholastic

学問的な
Meaning
Relating to schools, education, or academic learning.
Example
The school organizes scholastic competitions every year.
学校は毎年学問的な競技を開催します。
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。
B2 noun /slʌm/

Slum

スラム街
Meaning
a poor urban area with substandard housing and squalid conditions
Example
The government is working to improve conditions in the slum.
政府はスラムの条件を改善するために取り組んでいます。
B2 noun /ˈʃɔːrt.kʌm.ɪŋ/

Shortcoming

欠点; 不足; 短所
Meaning
a fault or failure to meet a certain standard; a deficiency
Example
Despite his many talents, he has some shortcomings.
彼の多くの才能にもかかわらず、いくつかの欠点があります。
B2 noun /ˌsɛlf rɪˈspɛkt/

self-respect

自尊
Meaning
A feeling of pride and confidence in oneself; self-worth.
Example
She refused to compromise her self-respect by accepting unfair treatment.
彼女は不公平な扱いを受け入れることで自尊心を損なうことを拒否した。
A2 adjective /skaɪ bluː/

Sky-blue

空色
Meaning
a bright blue color like that of a clear sky
Example
Her sky-blue eyes sparkled in the sunlight.
彼女の空色の目が太陽の光で輝いていた。
C1 noun ˌsʌb.sɪ.dɪˈzeɪ.ʃən

subsidization

助成金
Meaning
Financial assistance provided by government to make certain goods or services more affordable.
Example
Subsidization of agriculture helps farmers maintain crop production.
農業の助成金は、農家が作物の生産を維持するのに役立ちます。
B2 noun /ˈsiːkər/

seeker

探求者
Meaning
a person who is looking for something, especially knowledge or truth
Example
The seeker traveled far to find the answers to his questions.
探求者は自分の質問に対する答えを見つけるために遠くまで旅しました。
C1 adjective /ˌsæŋktɪˈmoʊniəs/

sanctimonious

偽善的な敬虔
Meaning
Making a show of being morally superior to others; hypocritically pious.
Example
He gave a sanctimonious speech about honesty while he himself was corrupt.
彼は自分が腐敗していたにもかかわらず、正直について偽善的なスピーチをしました。
C2 noun /ˈsɛkstənt/

sextant

セクスタント
Meaning
a navigational instrument with a graduated arc of 60°, used to measure the angle between a celestial object and the horizon
Example
Using a sextant, the navigator fixed the ship’s position at noon.
セクスタントを使用して、ナビゲーターは正午に船の位置を特定しました。
A2 noun /spiːd/

Speed

速度; スピード
Meaning
the rate at which someone or something moves or operates
Example
The car reached a speed of 100 miles per hour.
車は時速100マイルのスピードに達した。
B2 noun /ˈspəʊksmən/

spokesman

スポークスマン
Meaning
a person who speaks on behalf of others, especially for a group or organization
Example
The spokesman addressed the crowd during the rally.
スポークスマンは集会中に群衆に向かって話した。
A2 adverb /ˈʃʊə.li/

Surely

確かに
Meaning
without doubt; certainly
Example
You will surely pass the exam if you study hard.
もし一生懸命勉強すれば、確かに試験に合格します。
C2 adjective /suːˈpɜːrnəl/

supernal

天上的
Meaning
Relating to the heavens; celestial or divine.
Example
The painting captured a supernal beauty that felt otherworldly.
その絵は、まるで別の世界から来たような天上的な美しさを捉えました。
C2 adjective /sɛnˈtɛnʃəs/

sententious

道徳的な; 道徳的に説教する
Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
彼の道徳的なコメントは観客をイライラさせた。
B2 adjective /stiːp/

steep

急な, 高すぎる
Meaning
Having a sharp inclination or high slope; also can mean excessive (as in price).
Example
The hikers climbed a steep mountain trail.
ハイカーたちは急な山道を登った。
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。
B2 adjective /ˌsʌp.lɪˈmen.tər.i/

Supplementary

補足的な; 追加的な; 余分な
Meaning
completing or making an addition to something; additional; extra
Example
Students need to buy supplementary books for the course.
学生はコースのために補助教材を購入する必要があります。
C2 noun /ˈsɪkəfənt/

sycophant

お世辞使い
Meaning
A person who acts obsequiously toward someone important in order to gain advantage.
Example
The manager was surrounded by sycophants who agreed with everything he said.
マネージャーは、彼が言ったことすべてに同意するお世辞を言う人々に囲まれていました。
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.
B1 adjective /slaɪt/

Slight

わずか; 軽い; 細い; 微妙な
Meaning
small in degree; not severe or intense; slim; thin
Example
There was a slight delay in the train schedule.
電車の時刻表にはわずかな遅れがありました。
C2 noun /səbˈsɜːviəns/

subservience

従順
Meaning
the condition of being too willing to obey or serve others
Example
His subservience to authority annoyed his colleagues.
権威への従順さが同僚たちを苛立たせた。
B2 adjective /ˈstɪki/

sticky

べたつく
Meaning
having the quality of adhering or clinging; difficult to remove or deal with
Example
The candy is too sticky to eat with your hands.
キャンディは手で食べるにはあまりにもべたつくです。
C1 noun /ʃraɪn/

Shrine

聖地; 神殿; 祈りの場
Meaning
a holy or sacred place dedicated to a specific deity, ancestor, hero, or saint
Example
Pilgrims visit the shrine to pray for good health.
巡礼者たちは健康を祈るために神殿を訪れます。
B1 noun /ˈspiːʃiːz/

Species

種; タイプ
Meaning
a group of living organisms that can reproduce with each other; a type or kind
Example
The Amazon rainforest is home to thousands of animal species.
アマゾンの熱帯雨林は何千もの動物種の家です。
C1 adjective /sɔɪld/

soiled

汚れた
Meaning
dirty or stained; not clean
Example
His clothes were soiled after playing in the mud.
泥遊びをした後、彼の服は汚れていた。
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。
B1 noun /ˈsoʊ.lər ˌsɪs.təm/

Solar system

太陽系
Meaning
the sun and all the planets, moons, asteroids and other objects that orbit around it
Example
Our solar system has eight planets orbiting the sun.
私たちの太陽系には、太陽の周りを回る8つの惑星があります。
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。