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All Vocabulary Cards All Vocabularies
A1 verb /stɑːrt/

start

開始する
Meaning
to begin something; to commence; to initiate
Example
Let's start the meeting now.
今すぐ会議を開始しましょう。
B2 noun /ˈsikwəl/

Sequel

続編
Meaning
a published, broadcast, or recorded work that continues the story or develops the theme of an earlier one; something that takes place after or as a result of an earlier event
Example
The movie sequel was even more successful than the original.
映画の続編はオリジナルよりもさらに成功しました。
B1 noun /slaɪd/

Slide

滑り台
Meaning
a smooth surface for sliding down; a piece of playground equipment
Example
The children enjoyed playing on the slide at the park.
子供たちは公園でスライドで遊ぶのを楽しんでいました。
A1 adverb /suːn/

Soon

すぐに
Meaning
in a short time; before long; quickly
Example
The train will arrive soon.
電車はすぐに到着します。
C1 adjective /ˌsɛlf əbˈzɔːrbd/

self-absorbed

自己中心的
Meaning
Excessively preoccupied with oneself and one’s own thoughts, feelings, or interests.
Example
He was too self-absorbed to notice his friend's distress.
彼は友達の苦しみに気づかないほど自己中心的だった。
C1 noun /ˈskeɪp.ɡəʊt/

Scapegoat

スケープゴート
Meaning
a person who is blamed for the wrongdoings, mistakes, or faults of others
Example
He became the scapegoat for the team's poor performance.
彼はチームの悪いパフォーマンスのスケープゴートとなった。
B1 noun /ˈswɛtʃɜːrt/

sweatshirt

スウェットシャツ
Meaning
A casual, long-sleeved pullover garment, typically made of cotton or fleece, worn for warmth or comfort.
Example
He wore a grey sweatshirt while jogging in the park.
彼は公園でジョギングをするとき、灰色のスウェットシャツを着ていた。
B2 noun ˌsænɪˈteɪʃən

sanitation

衛生
Meaning
Conditions relating to public health, especially the provision of clean drinking water and adequate sewage disposal.
Example
Good sanitation practices are key to preventing infestations.
良い衛生習慣は侵入を防ぐための鍵です。
A2 noun /seɪl/

sale

販売
Meaning
the exchange of a commodity for money; the action of selling something
Example
The store is having a sale on winter clothing.
その店は冬物衣料のセールを行っています。
C1 noun /ˈsɜːrtʃɑːrdʒ/

surcharge

追加料金
Meaning
an additional charge or payment added to the usual cost
Example
The airline ticket had a fuel surcharge added to it.
航空券に燃料サーチャージが追加されていました。
C1 noun /ˈʃæmbəlz/

shambles

大混乱
Meaning
a state of complete disorder or ruin
Example
After the storm, the whole town was in shambles.
嵐の後、町全体が大混乱に陥った。
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。
A1 noun /siː/

Sea

海
Meaning
a large body of salt water that covers most of the earth's surface
Example
We went swimming in the sea.
私たちは海で泳ぎました。
C2 adjective /səˈlɪsɪtəs/

solicitous

思いやり
Meaning
showing concern or care for someone's health, happiness, or comfort
Example
She was always solicitous about the well-being of her students.
彼女はいつも学生たちの幸福に気を配っていました。
C1 noun /ˈswɪndlɚ/

swindler

詐欺師
Meaning
a person who cheats or deceives others for money or gain
Example
The police finally caught the notorious swindler.
警察はついに悪名高い詐欺師を捕まえた。
C1 noun /ˈskeɪ.biːz/

Scabies

疥癬
Meaning
a contagious skin disease caused by mites that causes intense itching
Example
The doctor diagnosed him with scabies after examining the rash.
医師は発疹を調べた後、彼に疥癬と診断した。
C1 verb /səbˈsɪst/

subsist

生き延びる
Meaning
To maintain or support oneself, especially at a minimal level.
Example
Many villagers still subsist on fishing and farming.
多くの村人は今でも漁業と農業で生計を立てています。
B2 noun /ˌsoʊsiˈɑːlədʒi/

sociology

社会学
Meaning
the study of society, human relationships, and social institutions
Example
She is studying sociology at university.
彼女は大学で社会学を学んでいます。
B2 noun /spæm/

spam

スパム
Meaning
unsolicited or unwanted electronic communication, typically in the form of email
Example
My inbox is full of spam emails that I need to delete.
私の受信箱はスパムメールでいっぱいで、削除する必要があります。
C1 adjective /ˈsɛptɪk/

septic

感染した
Meaning
Infected with harmful bacteria; relating to or causing infection.
Example
The doctor treated the patient's septic wound immediately.
医者は患者のセプティックな傷をすぐに治療しました。
B2 noun ˈsəʊ.lər ˈen.ə.dʒi

solar energy

太陽光エネルギー
Meaning
Energy from the sun that is converted into thermal or electrical energy.
Example
Solar energy is vital for reducing carbon emissions.
太陽光エネルギーは炭素排出量を削減するためには不可欠です。
B2 noun /stjuːˈpɪdəti/

stupidity

愚かさ
Meaning
lack of intelligence or common sense
Example
His stupidity caused a lot of problems for the team.
彼の愚かさはチームに多くの問題を引き起こした。
C1 /ʃrɛd/

shred

引き裂く
Meaning
to tear or cut something into small pieces
Example
She shredded the old documents before throwing them away.
彼女は古い書類を捨てる前にシュレッドした。
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。
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。
B1 noun /saɪt/

site

場所
Meaning
a location or place, often used for a specific purpose, such as a construction site or a website
Example
The construction site is ready for the next phase of the project.
建設現場は次のプロジェクトの段階に進む準備ができています。
B2 noun /ˈspɒnsəʃɪp/

sponsorship

後援
Meaning
the act of supporting an event, activity, person, or organization financially or through other resources
Example
The event was made possible due to the sponsorship of several big companies.
イベントは、いくつかの大企業の後援のおかげで実現しました。
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。
B2 noun /ˈsɒr.oʊ/

Sorrow

悲しみ; 哀しみ;
Meaning
a feeling of deep distress caused by loss or disappointment
Example
His heart was filled with sorrow after the tragedy.
悲劇の後、彼の心は悲しみで満ちていた。
A1 adjective /ʃɔːrt/

Short

短い; 短縮した
Meaning
having a small length, height, or duration; not long
Example
The meeting was very short, lasting only ten minutes.
会議はとても短く、わずか10分間だった。
C2 adjective /sʌbˈlɪŋɡwəl/

sublingual

舌下
Meaning
situated or applied under the tongue
Example
The doctor prescribed a sublingual tablet for faster absorption.
医師は吸収を早めるために舌下錠を処方しました。
C1 adjective /ˈʃeɪm.ləs/

Shameless

恥知らず
Meaning
having no shame; bold and rude; impudent
Example
The shameless politician refused to apologize for his mistakes.
恥知らずな政治家は自分の過ちを謝罪することを拒んだ。
C2 adjective /ˈslæp.dæʃ/

slapdash

ぞんざい
Meaning
done too quickly and carelessly; hasty and careless
Example
The report was written in a slapdash manner, full of errors.
レポートはぞんざいに書かれており、間違いだらけだった。
B2 adverb /ˈsiː.krət.li/

secretly

こっそり
Meaning
in a way that is hidden or not known by others
Example
She secretly planned a surprise party for her friend.
彼女は友達のためにこっそりサプライズパーティーを計画した。
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。
A1 noun /skuːl/

school

学校
Meaning
An institution for educating children; also a group of people sharing the same ideas or discipline.
Example
The children walked to school together.
子供たちは一緒に学校に歩いて行きました。
C2 noun /stɛp/

steppe

ステップ
Meaning
A large flat area of unforested grassland, especially in southeastern Europe or Siberia.
Example
The nomads traveled across the vast steppe with their herds.
遊牧民は自分の家畜を連れて広大なステップを渡っていた。
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。
C1 noun /ˌsɛlf ɪnˈdʌldʒəns/

self-indulgence

自己 indulgence
Meaning
The act of allowing oneself to enjoy pleasures or desires excessively.
Example
His weekend of self-indulgence included eating sweets and watching movies nonstop.
彼の自己満足の週末は、甘いものを食べて映画を見続けることが含まれていました。
B1 adjective /ˈsɒlɪd/

solid

固体
Meaning
firm and stable in shape; not liquid or fluid
Example
The ground was solid underfoot.
地面は足元で固かった。
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。
A2 noun/verb/adjective /ˈsʌbdʒɪkt/ (noun), /səbˈdʒɛkt/ (verb)

subject

科目
Meaning
noun: a topic or theme; verb: to cause to undergo; adjective: dependent or under authority
Example
The teacher introduced a new subject in class.
先生はクラスで新しい科目を紹介しました。
B1 noun /ʃɒk/

shock

衝撃
Meaning
a sudden upsetting or surprising event or experience
Example
The news of his sudden departure was a shock to everyone.
彼の突然の出発のニュースは皆にショックを与えた。
C1 adjective /ˈsɪnjuəs/

sinuous

曲がりくねった
Meaning
Having many curves, bends, or turns; winding.
Example
The hikers followed a sinuous path through the forest.
ハイカーたちは森を通る曲がりくねった道を進んだ。
C1 noun /ˈʃʊɡ.ər ˈkæn.di/

Sugar candy

シュガーキャンディ
Meaning
crystallized sugar formed into small pieces; rock candy made from sugar syrup
Example
The children enjoyed eating colorful sugar candy at the festival.
子供たちは祭りでカラフルなシュガーキャンディを食べて楽しみました。
C2 noun /ˈskɪnˌflɪnt/

skinflint

けちん坊
Meaning
a person who spends as little money as possible; a miser
Example
The landlord was such a skinflint that he never repaired anything.
家主はそんなけちん坊で、何も修理しなかった。
B1 noun /ˈsteɪt.mənt/

Statement

声明
Meaning
a definite or clear expression of something in speech or writing; an official account of facts
Example
The CEO issued a statement about the company's future plans.
CEOは会社の将来計画についての声明を発表しました。
B2 adjective /swɪft/

swift

Meaning
moving very quickly; happening promptly
Example
The river current was swift after the heavy rain.
C1 verb /ˈsɪmjʊˌleɪt/

simulate

シミュレート
Meaning
to imitate the appearance, character, or behavior of something; to pretend or reproduce conditions artificially
Example
The pilot had to simulate an emergency landing during training.
パイロットは訓練中に緊急着陸をシミュレートしなければならなかった。
B2 adverb /ˈsoʊlli/

solely

単独で
Meaning
only; not involving anyone or anything else
Example
He is solely responsible for the decision.
彼はその決定に完全に責任を持っています。
C1 noun, verb /səˈpiːnə/

subpoena

召喚状
Meaning
a legal document ordering someone to attend court; to summon someone with such a document
Example
The witness received a subpoena to appear in court next week.
証人は来週法廷に出廷するための召喚状を受け取った。
B2 adjective /suːˈpɪə.ri.ər/

Superior

優れている; 平均以上
Meaning
higher in rank, quality, or importance; better than average
Example
This product is superior to all others in the market.
この製品は市場の他のすべての製品より優れています。
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。
B1 verb /spɛl/

spell

スペルする
Meaning
to write or name the letters of a word in order; to mean or result in something
Example
Can you spell your name for me?
あなたの名前を私のためにスペルできますか？
B2 noun /səbˈmɪʃən/

submission

提出, 服従
Meaning
the act of yielding to authority or presenting something for consideration
Example
Her submission of the report was appreciated by the manager.
彼女の報告書の提出は、マネージャーに評価されました。
B2 verb /slæp/

slap

ビンタ
Meaning
to hit someone quickly with the flat part of the hand; to strike sharply
Example
She was so angry that she slapped him across the face.
彼女は怒りすぎて顔にビンタをした。
B2 adjective /ˈsoʊʃəbəl/

Sociable

社交的; 友好的; 外向的
Meaning
friendly and enjoys being with other people; outgoing
Example
She is very sociable and makes friends easily.
彼女はとても社交的で、簡単に友達を作ります。
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 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。
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。
B2 noun /səˈraʊn.dɪŋz/

surroundings

周囲
Meaning
The area around a person, place, or thing.
Example
She quickly adapted to her new surroundings.
彼女は新しい環境にすぐに適応しました。
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 /sɪˈdɪʃ.ən/

Sedition

反乱罪
Meaning
conduct or speech inciting people to rebel against authority; treason
Example
The activist was charged with sedition for his inflammatory speeches.
活動家はその扇動的な演説のために反乱罪で起訴された。
B2 noun /ˈsɛm.iˌsɜːr.kəl/

semicircle

半円
Meaning
Half of a circle or something shaped like half of a circle.
Example
The students sat in a semicircle around the teacher.
学生たちは教師の周りに半円形に座っていました。
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 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。
A2 verb /sɜːrv/

serve

提供する
Meaning
to provide service; to work for; to offer food or drink
Example
She serves breakfast at 8 AM every morning.
彼女は毎朝8時に朝食をサーブします。
A2 adjective /ˈsɪli/

Silly

馬鹿な; 愚かな
Meaning
foolish; lacking good sense or judgement
Example
Don't be silly, of course you can do it!
馬鹿なこと言わないで、もちろんそれができるよ！
C2 noun /ˌspoʊliˈeɪʃən/

spoliation

破壊
Meaning
The act of destroying or ruining something, often evidence or property.
Example
The court punished the company for the spoliation of evidence.
裁判所は証拠の破壊のために会社を罰しました。
B2 verb /skeər/

scare

怖がらせる
Meaning
to frighten someone or make them feel afraid
Example
The loud noise scared the baby.
大きな音が赤ちゃんを怖がらせた。
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 noun /sneɪk ɡɔːrd/

Snake gourd

ヘビウリ
Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
ヘビウリは庭で蛇のような形に曲がりながら育ちます。
B1 noun /ˈspɛndɪŋ/

spending

Meaning
the act of paying money for goods or services
Example
Her spending on clothes was higher than expected.
A2 noun /sprɪŋ/

spring

春
Meaning
the season between winter and summer when plants begin to grow
Example
Flowers bloom in the spring.
春には花が咲きます。
B1 noun /soʊl/

Soul

魂
Meaning
the spiritual or immaterial essence of a human being or animal; a person's emotional or intellectual nature
Example
She poured her heart and soul into her artwork.
彼女は芸術作品に心と魂を込めました。
B1 noun /ˈsɛkrəteri/

secretary

Meaning
a person employed to handle correspondence and manage routine tasks for an individual or organization
Example
The secretary scheduled the meeting for tomorrow.
B2 verb /spɪl/

spill

こぼす
Meaning
to cause liquid to flow or fall out of a container by accident
Example
Be careful not to spill your coffee.
コーヒーをこぼさないように気を付けて。
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 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。
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。
A1 verb /seɪ/

say

言う
Meaning
to speak words; to express something in words
Example
She said hello to me.
彼女は私にハローと言った。
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。
B2 adverb /ˈsʌbsɪkwəntli/

subsequently

その後
Meaning
at a later time; afterward
Example
He failed his exam and subsequently had to retake it.
彼は試験に失敗し、その後再試験を受けなければならなかった。
C1 noun ˈsʌb.tɛkst

subtext

サブテキスト
Meaning
Hidden meaning or message behind spoken or written words
Example
The subtext of his speech suggested disagreement.
彼のスピーチのサブテキストは、意見の不一致を示唆していた。
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。
B2 noun ˈskruːtɪni

scrutiny

詳細な調査
Meaning
Critical observation or examination
Example
The new law is under scrutiny by the legislative body.
新しい法律は立法機関による詳細な調査の下にあります。
B2 noun /spæn/

span

スパン
Meaning
the full extent or length of something from one end to another
Example
The bridge has a span of over 500 meters.
橋のスパンは500メートル以上です。
A2 adverb /ˈsʌd.ən.li/

Suddenly

突然
Meaning
quickly and without warning; unexpectedly
Example
The car suddenly stopped in the middle of the road.
車は突然道路の真ん中で止まりました。
B2 verb ˈstɪmjəleɪt

stimulate

刺激する
Meaning
To encourage or promote the development or growth of something
Example
Proper sunlight stimulates plant growth.
適切な日光は植物の成長を刺激します。
B2 verb /ʃrɪŋk/

shrink

縮む
Meaning
to become smaller in size; to draw back in fear
Example
The sweater shrank after washing in hot water.
セーターは熱い水で洗った後、縮んだ。
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。
C2 verb /ˈstræɡəl/

straggle

不規則に動く
Meaning
To move or spread in an irregular, scattered, or untidy way.
Example
The children began to straggle behind on the long hike.
子供たちは長いハイキングで後れを取るようになった。
B2 noun /ˈsɜːdʒən/

surgeon

外科医
Meaning
a doctor who performs medical operations
Example
The surgeon performed a complex heart operation.
外科医は複雑な心臓手術を行いました。
A2 verb /skiː/

ski

スキーをする
Meaning
to glide over snow on skis
Example
We went skiing in the Alps last winter.
私たちは昨冬アルプスでスキーをしました。
C1 adjective /ˈseɪlaɪn/

Saline

塩水の; 塩分のある
Meaning
containing salt; salty; relating to salt water
Example
The saline solution is used for medical treatments.
塩水溶液は医療処置に使用されます。
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。
A1 noun /ˈʃʊɡər/

Sugar

砂糖
Meaning
sweet crystalline substance used as a sweetener
Example
Please add two teaspoons of sugar to my coffee.
私のコーヒーに砂糖を小さじ2杯加えてください。
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。
A2 verb /siːm/

seem

見える
Meaning
to give the impression of being something or having a particular quality
Example
He seems tired after the long journey.
長い旅の後、彼は疲れているように見える。
A2 adverb /ˈsʌm.weər/

Somewhere

どこか
Meaning
in or at some place; in an unspecified location
Example
I left my keys somewhere in the house.
家の中のどこかに鍵を置いてきた。
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。
A2 adverb /ˈsloʊli/

slowly

ゆっくり
Meaning
in a slow manner
Example
She walked slowly to the door.
彼女はゆっくりとドアに向かって歩いた。
B2 adjective ˈstrʌktʃərəl

structural

構造的
Meaning
Relating to or forming part of a structure.
Example
The structural integrity of the bridge was tested after the storm.
橋の構造的な完全性は嵐の後にテストされました。
C1 noun /slæb/

slab

スラブ
Meaning
a large, thick, flat piece of stone, concrete, or other hard material
Example
The workers laid a concrete slab for the foundation.
作業員たちは基礎のためにコンクリートのスラブを敷きました。
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。
B1 verb /ˈstɒpɪŋ/

stopping

停止
Meaning
Coming to a halt or pause.
Example
The ship is stopping at the Falkland Islands.
船はフォークランド諸島で停泊しています。
C1 adjective /ˈsɒnɪk/

sonic

音速の
Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
ジェット機は音速の壁を越えたとき、大きな爆発音を作り出しました。
B2 noun ˌsɛlf.kənˈtrəʊl

self-control

自己制御
Meaning
The ability to control one's emotions, behavior, and desires in order to obtain some reward, or avoid some punishment, typically in the longer term.
Example
Self-control is important for maintaining a balanced life.
自己制御はバランスの取れた生活を維持するために重要です。
C1 noun, verb /spreɪn/

sprain

捻挫
Meaning
an injury to a joint in which the ligaments are stretched or torn
Example
She sprained her ankle while running in the park.
公園で走っているときに足首をねんざした。
C1 adjective /ˈsɛm.ɪ.nəl/

seminal

幸福
Meaning
Strongly influencing later developments; highly original and influential.
Example
His seminal book changed the course of modern philosophy.
彼女は賞を受け取ったとき、自分の幸福を隠せませんでした。
A1 adjective /ʃʊr/

Sure

確か; 確実に
Meaning
completely confident that something is true; certain; definitely true
Example
I am sure that he will come tomorrow.
私は彼が明日来ると確信しています。
B2 noun /ˈsɛnət/

senate

セナト
Meaning
a legislative or governing body, typically the upper chamber in a bicameral legislature
Example
The senate voted in favor of the new healthcare bill.
セナトは新しい医療保険法案に賛成票を投じました。
B1 adjective /ˈskɪlfʊl/

Skilful

熟練した; 才能のある; 熟達した
Meaning
having or showing skill; expert and accomplished
Example
The skilful surgeon performed the operation with great precision.
熟練した外科医は、非常に高い精度で手術を行いました。
B2 noun /ˈsæb.ə.tɑːʒ/

Sabotage

サボタージュ
Meaning
deliberate destruction of equipment or disruption of activities
Example
The factory was shut down due to an act of sabotage.
工場は破壊行為のために閉鎖されました。
A2 adjective /ˈsaɪ.lənt/

Silent

静かな; 無音の; 騒がない
Meaning
making no sound; quiet; not speaking
Example
The library was completely silent during study hours.
図書館は学習時間中は完全に静かでした。
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。
B2 verb /səˈsteɪn/

sustain

維持する
Meaning
To support, maintain, or keep something going over time.
Example
The team worked hard to sustain their success.
チームは彼らの成功を維持するために一生懸命働きました。
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。
B1 verb /skrætʃ/

scratch

幸せ
Meaning
to rub a surface or skin with something sharp or rough, often to relieve itching
Example
The cat scratched the door to be let in.
彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。
C1 verb /ˈsɔːntər/

saunter

Meaning
to walk in a slow, relaxed manner without hurry or effort
Example
We sauntered along the riverside, stopping now and then to watch the boats.
B2 verb /ˈsɒfən/

soften

柔らかくする
Meaning
to make or become less hard, severe, or strong.
Example
Heat will soften the butter quickly.
熱はバターをすぐに柔らかくします。