stair
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A2 noun /stɛə/

stair

階段
Meaning
a step or set of steps leading from one level to another
Example
He tripped on the stair and fell down.
彼は階段でつまずいて転んだ。
C2 adjective /ˈsɛrid/

serried

整列した
Meaning
pressed or crowded together, often in rows or ranks
Example
The soldiers stood in serried ranks, ready for inspection.
兵士たちは整列した行列で立って、点検の準備ができていました。
C2 noun /sɛnˈsɔːrɪəm/

sensorium

感覚中枢
Meaning
The part of the brain or mind concerned with the reception and interpretation of sensory stimuli.
Example
The patient’s sensorium was clouded after the accident.
事故後、患者の感覚中枢はぼやけていた。
B2 adjective /stəˈtɪstɪkəl/

statistical

統計的
Meaning
relating to the use or analysis of numerical data
Example
The report provides statistical data about population growth.
報告書は人口増加に関する統計データを提供しています。
B2 verb /ˈʃætər/

shatter

壊れる
Meaning
To break suddenly into many small pieces.
Example
The glass will shatter if you drop it.
ガラスは落とすと壊れる。
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。
A2 adjective /ˈsʌn.i/

Sunny

晴れた; 楽観的な
Meaning
bright with sunlight; cheerful and optimistic
Example
It's a beautiful sunny day perfect for a picnic.
今日は素晴らしい晴れた日で、ピクニックに最適です。
C1 noun /səbˈvɜːrʒən/

subversion

転覆
Meaning
the act of trying to destroy or undermine an established system or authority
Example
The government accused the rebels of planning subversion.
政府は反乱者が転覆を計画していると非難した。
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。
B2 noun /sfɪər/

sphere

球体
Meaning
a round, three-dimensional shape that is perfectly symmetrical around its center; an area of activity or knowledge
Example
The Earth is almost a perfect sphere.
地球はほぼ完璧な球体です。
A1 noun /striːt/

street

通り
Meaning
a public road in a city or town, typically with buildings on one or both sides
Example
He walked down the street to the park.
彼は公園へ向かって通りを歩いていました。
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。
B2 noun /ˌstɪm.jəˈleɪ.ʃən/

stimulation

刺激
Meaning
The action of arousing interest, enthusiasm, or excitement.
Example
Stimulation reduces stress and aids relaxation.
刺激はストレスを減らし、リラックスを助けます。
A2 noun /ˈsɪl.vər/

Silver

銀
Meaning
a shiny white precious metal used for making jewelry and ornaments
Example
The silver ring sparkled in the sunlight.
銀の指輪は日光で輝いていました。
C1 noun /ˈsækrɪlɪdʒ/

sacrilege

冒涜
Meaning
Violation or misuse of what is regarded as sacred.
Example
Stealing from the temple was considered an act of sacrilege.
寺院から盗むことは冒涜と見なされていました。
C2 noun /sʌnd raɪs/

Sunned rice

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

sylvan

森林の
Meaning
Relating to or characteristic of the woods or forest.
Example
The cottage was set in a sylvan landscape full of tall trees.
その小屋は、高い木々に囲まれた森林の風景の中にありました。
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。
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。
C2 noun /ˈsiːkənt/

secant

割線
Meaning
A straight line that intersects a curve at two or more points.
Example
In geometry, a secant cuts the circle at two distinct points.
幾何学では、割線は円を二つの異なる点で交差します。
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 /ˈspiːtʃləs/

speechless

言葉を失う
Meaning
Unable to speak because of shock, surprise, or strong emotion.
Example
She was speechless when she received the award.
彼女は賞を受け取ったとき、言葉を失いました。
B2 verb /sɔːr/

soar

高く飛ぶ / 急増する
Meaning
to fly or rise high in the air; to increase rapidly or dramatically
Example
The eagle soared high above the mountains.
ワシは山々の上を高く飛びました。
B2 verb /smæʃ/

smash

壊す
Meaning
to break something into pieces violently
Example
She smashed the glass in frustration.
彼女はフラストレーションでグラスを壊した。
C2 noun /sɛkˈstɛt/

sextet

六重奏
Meaning
a group of six people playing music or a piece written for six performers
Example
The jazz sextet filled the small club with a warm, layered sound.
ジャズのセクステットは、小さなクラブを温かく層状の音で満たしました。
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。
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。
C1 verb /ˈstriːmlaɪnɪŋ/

streamlining

簡素化
Meaning
The process of making an organization or system more efficient by simplifying or eliminating unnecessary steps
Example
Streamlining processes can significantly reduce operational costs.
プロセスの簡素化は、運用コストを大幅に削減することができます。
B1 noun /ˈspɛndɪŋ/

spending

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

sleek

滑らかで光沢のある
Meaning
smooth, shiny, and stylish
Example
She drove a sleek black sports car.
彼女は光沢のある黒いスポーツカーを運転していました。
B2 noun /ˌsɛkʃuˈæləti/

sexuality

セクシュアリティ
Meaning
a person's capacity for sexual feelings and orientation
Example
She spoke openly about her sexuality and identity.
彼女は自分のセクシュアリティとアイデンティティについてオープンに話しました。
B1 adjective /ˈsæt.ɪs.fæk.tər.i/

Satisfactory

満足のいく
Meaning
acceptable; meeting requirements; adequate
Example
The test results were satisfactory.
テストの結果は満足のいくものでした。
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。
C1 noun, adjective /ˈsɒlvənt/

solvent

溶剤, 債務を支払う能力
Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
アセトンは実験室でよく使われる溶剤です。
C1 verb /ʃɪə/

shear

刈る
Meaning
to cut the wool off a sheep or to cut something with sharp tools like scissors or shears
Example
The farmer will shear the sheep in the spring.
農夫は春に羊の毛を刈ります。
A2 verb /səˈpəʊz/

suppose

仮定する
Meaning
to assume or believe something is true without proof
Example
I suppose she will be here soon.
私は彼女がすぐにここに来ると思います。
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。
C2 noun /spjuːm/

spume

泡
Meaning
Froth or foam, especially found on waves or liquids.
Example
The waves crashed against the rocks, leaving spume in the air.
波が岩にぶつかり、空気中に泡を残した。
B2 verb /swel/

swell

腫れる
Meaning
to become larger, rounder, or thicker; to increase in size
Example
Her ankle began to swell after the injury.
彼女の足首は怪我の後、腫れ始めました。
B2 verb /soʊ/

sow

まく
Meaning
to plant seeds in the ground; to scatter seeds for growing
Example
The farmer will sow wheat seeds in the field tomorrow.
農家は明日、畑に小麦の種をまきます。
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。
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。
A2 noun /ˈstreɪndʒər/

Stranger

見知らぬ人
Meaning
a person whom one does not know or with whom one is not familiar
Example
Never take candy from a stranger.
決して見知らぬ人からキャンディをもらわないでください。
B2 noun sliːp ˌdɛprɪˈveɪʃən

sleep deprivation

睡眠不足
Meaning
The condition of not having enough sleep; lack of adequate sleep.
Example
Sleep deprivation can severely impact mental health.
睡眠不足は精神的な健康に深刻な影響を与える可能性があります。
A1 noun ˈstjuː.dənt

student

学生
Meaning
A person who is studying at a school or university.
Example
Students participated actively in the protests.
学生たちは抗議活動に積極的に参加しました。
B2 noun /ˌsuːpərˈvɪʒən/

supervision

監視
Meaning
the action or process of overseeing or managing something or someone
Example
The project was completed under the supervision of an experienced manager.
そのプロジェクトは経験豊富なマネージャーの監視の下で完了しました。
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 adjective /səˈɡeɪ.ʃəs/

sagacious

賢明
Meaning
Having or showing keen mental discernment and good judgment; wise.
Example
His sagacious leadership saved the company from failure.
彼の賢明なリーダーシップは会社を失敗から救った。
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。
C1 noun /ˌsæbəˈtɜːr/

saboteur

破壊工作員
Meaning
A person who engages in sabotage.
Example
The saboteur was arrested before he could plant the bomb.
破壊工作員は爆弾を設置する前に逮捕されました。
A1 noun /sʌn/

Sun

太陽
Meaning
the star around which the earth orbits; the source of light and heat for planets
Example
The sun rises in the east and sets in the west.
太陽は東から昇り、西へ沈みます。
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？
C2 adjective /ˈsɪbɪlənt/

sibilant

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

synchronism

シンクロニズム
Meaning
The simultaneous occurrence of events or actions.
Example
The synchronism of the dancers' movements amazed the audience.
ダンサーの動きのシンクロニズムは観客を驚かせました。
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。
A1 noun /suːp/

Soup

スープ
Meaning
a liquid food made by boiling meat, vegetables, or other ingredients in water
Example
I had a bowl of chicken soup for lunch.
私は昼食にチキンスープを一杯食べました。
C1 verb /spɜːrn/

spurn

軽蔑して拒絶する
Meaning
To reject something or someone with disdain or contempt.
Example
She spurned his offer of help.
彼女は軽蔑の気持ちで彼の助けの申し出を拒絶した。
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。
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。
A1 adjective /ˈspɛʃəl/

special

特別
Meaning
different from what is usual; better or greater than normal
Example
This gift is very special to me.
このギフトは私にとってとても特別です。
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 noun stɔːrm ɪnˌtensɪfɪˈkeɪʃən

storm intensification

嵐の強化
Meaning
The process by which storms become stronger and more severe in intensity.
Example
Storm intensification is linked to climate change.
嵐の強化は気候変動に関連しています。
C1 noun/verb /sleɪt/

slate

スレート / 予定する
Meaning
a fine-grained rock used for roofing or writing; to schedule or designate for a task
Example
The meeting is slated for next Monday.
ミーティングは次の月曜日に予定されています。
B2 noun/verb /stʌmp/

stump

木の切り株、困惑させる
Meaning
the base of a tree left after the trunk is cut down; to puzzle or confuse
Example
The question completely stumped the students.
その質問は学生たちを完全に困らせました。
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。
B2 noun /soʊl/

Sole

足の裏; 靴の底
Meaning
the bottom part of the foot; the bottom part of a shoe
Example
I have a blister on the sole of my foot.
私の足の裏に水ぶくれがあります。
C2 verb /ˌsuːpərˈæn.ju.eɪt/

superannuate

年金付き退職
Meaning
to retire someone with a pension, usually due to age or long service
Example
The company decided to superannuate its senior employees after thirty years of service.
その会社は三十年の勤務後、上級社員を年金付き退職することに決めました。
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。
C1 adjective, verb /sɪˈdeɪt/

sedate

鎮静する
Meaning
calm, quiet, and composed; or to administer a drug to make someone calm or sleep
Example
The nurse sedated the patient before the operation.
看護師は手術の前に患者を鎮静しました。
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 noun /ˈsɪmp.təmz/

symptoms

症状
Meaning
signs or indications of a disease or condition
Example
Fever and cough are common symptoms of the flu.
熱と咳はインフルエンザの一般的な症状です。
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。
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 adjective /sɪˈlek.tɪv/

Selective

選択的
Meaning
relating to or involving careful selection; choosy about what to accept
Example
The university has a selective admission process for new students.
大学には新入生のための選択的な入学プロセスがあります。
B2 verb /spreɪ/

spray

スプレーする
Meaning
to apply liquid to something in a fine mist
Example
She sprayed perfume on her wrist before leaving.
彼女は出かける前に手首に香水をスプレーしました。
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 /ˈslɒp.i/

Sloppy

だらしない; 汚い; 注意を払わずに行われた
Meaning
careless; messy; done without care or attention to detail
Example
His sloppy handwriting was difficult to read.
彼の乱雑な手書きは読みにくかった。
B2 adjective /ˈspaɪ.rəl/

Spiral

螺旋
Meaning
winding in a continuous curve; helical
Example
The spiral staircase led to the top floor.
螺旋階段は最上階に通じていました。
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.
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 /sɔːd fɪʃ/

Sword fish

メカジキ
Meaning
A large marine fish with an elongated bill resembling a sword
Example
The swordfish can swim at speeds up to 60 mph.
メカジキは時速60マイルで泳ぐことができます。
C2 verb /səˈbɔːrn/

suborn

買収する
Meaning
to bribe or induce someone unlawfully to perform an act, especially to commit perjury
Example
The lawyer was accused of trying to suborn a witness.
弁護士は証人を買収しようとしたと非難された。
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。
A1 adjective strɒŋ

strong

強い
Meaning
Having the power to move heavy weights or perform other physically demanding tasks.
Example
A strong defense secures victory.
強い防御は勝利を確実にする。
C2 noun /ˈstiː.vəˌdɔːr/

stevedore

荷役作業員
Meaning
A person employed to load and unload cargo from ships.
Example
The stevedores worked tirelessly to unload the cargo before dawn.
荷役作業員たちは夜明け前に貨物を下ろすために疲れ知らずに働いた。
C1 adjective /ˈsiːzənəbəl/

Seasonable

季節に適した
Meaning
occurring at the right time; appropriate for the season; timely
Example
The seasonable rain helped the farmers with their crops.
季節の雨が農家の作物を助けました。
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。
B2 verb /ˈskætər/

scatter

散らす
Meaning
to spread or throw around in different directions
Example
The wind scattered the leaves across the yard.
風が庭に葉っぱを散らばらせた。
C1 noun /sərˈveɪər/

surveyor

測量士
Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
測量士は建設のために土地を測定した。
C1 verb /səˈlɪdəˌfaɪ/

solidify

強化する
Meaning
To make something firm, strong, or more certain.
Example
The company solidified its position in the market.
その会社は市場での位置を固めました。
B2 adjective /sɔːr/

sore

痛い
Meaning
painful or aching, usually in a specific part of the body
Example
After the long run, my legs were sore.
長いランニングの後、私の足は痛かった。
C1 noun /ˈspɛktər/

specter

幽霊
Meaning
A ghost or spirit; something that causes fear or dread.
Example
The specter of war still haunts the region.
戦争の幽霊は今でもその地域をおびやかしています。
C1 noun /ˈstreɪnər/

Strainer

こし器
Meaning
a device having holes punched in it or made of crossed wires for separating solid matter from a liquid
Example
Use a strainer to drain the pasta water.
パスタの水を切るためにこし器を使ってください。
C2 noun /ˈstrɪndʒənsi/

stringency

厳格さ
Meaning
the quality of being strict, precise, or severe
Example
The stringency of the new rules surprised everyone.
新しい規則の厳格さはみんなを驚かせました。
B1 adjective /səˈpəʊzd/

supposed

仮定された
Meaning
generally believed or assumed, but not necessarily true
Example
This is the supposed solution to the problem.
これは問題の仮定された解決策です。
C1 adjective ˈsɛd(ə)ntəri

sedentary

座りっぱなしの
Meaning
Characterized by much sitting and little physical activity.
Example
A sedentary lifestyle can lead to numerous health problems.
座りっぱなしの生活は、多くの健康問題を引き起こす可能性がある。
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。
B2 verb /səbˈtrækt/

subtract

引く
Meaning
to take away a number or amount from another number or amount
Example
If you subtract 5 from 10, you get 5.
もし10から5を引いたら、5が得られます。
B2 noun /skʌl/

Skull

頭蓋骨
Meaning
the bony framework of the head that protects the brain
Example
The doctor examined the skull X-ray carefully.
医者は慎重に頭蓋骨のX線写真を調べました。
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 noun, verb, adjective /saʊnd/

sound

Meaning
a sensation perceived by the ear; to make or cause to make a noise; in good condition
Example
The bell sounded across the valley.
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。
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。
B2 adverb /ˈsɛkʃuəli/

sexually

性的に
Meaning
in a way that relates to or involves sexual activity or feelings
Example
The film was considered too sexually explicit for young audiences.
その映画は若い観客には過度に性的に露骨だと見なされました。
B2 noun /ˈsɪnˌdroʊm/

syndrome

症候群
Meaning
a group of symptoms that occur together and characterize a condition or disease
Example
Down syndrome affects a person's physical and mental development.
ダウン症は、個人の身体的および精神的な発達に影響を与えます。
C2 adjective /ˈspɔːrtɪv/

sportive

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

spleen

脾臓; 怒り
Meaning
an organ in the body that produces lymphocytes and filters blood; also refers to bad temper or spite
Example
He vented his spleen on his coworkers after the meeting.
会議後、彼は同僚に対して怒りをぶつけました。
C1 noun /sleɪ/

sleigh

そり
Meaning
A vehicle pulled by horses or reindeer over snow or ice.
Example
Children were excited to ride in the sleigh through the snowy village.
子供たちは雪に覆われた村でそりに乗ることに興奮していました。
A1 noun /saɪd/

side

側
Meaning
a position to the left or right of something
Example
The store is on the side of the road.
店は道路の側にあります。
C1 verb /sɪˈkriːt/

secrete

分泌する
Meaning
to produce and release a substance from a cell, gland, or organ
Example
The pancreas secretes insulin to regulate blood sugar levels.
膵臓は血糖値を調整するためにインスリンを分泌します。
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 /sɪlf/

sylph

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

slovenly

だらしない
Meaning
Untidy or careless in appearance, habits, or work.
Example
His slovenly appearance made a bad impression at the interview.
彼のだらしない外見は面接で悪い印象を与えました。
B2 verb /ˈʃɔːrtn/

shorten

短くする
Meaning
To make something shorter in length, duration, or extent
Example
She decided to shorten her speech to fit the time limit.
彼女は時間内に収めるためにスピーチを短くすることに決めた。
B2 noun səbˈstænʃəl ˈɪmpækt

substantial impact

重大な影響
Meaning
A significant, considerable, and meaningful effect or influence.
Example
Substantial impact is possible even with a few hours of volunteering.
少しの時間のボランティア活動でも重大な影響を与えることができます。
C1 verb/noun /snɑːrl/

snarl

唸り声、渋滞
Meaning
to growl aggressively with bared teeth; a tangle or mess
Example
The dog snarled at the stranger near the gate.
犬はゲート近くの見知らぬ人に唸った。