syndrome
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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。
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。
C1 noun /ˈspɔɪlˌspɔːrt/

spoilsport

スポイルスポート
Meaning
A person who ruins other people's enjoyment or fun.
Example
Don't be a spoilsport and let us enjoy the party.
スポイルスポートにならないで、パーティーを楽しませてください。
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。
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。
C1 noun/verb /snɛər/

snare

罠
Meaning
a trap for catching animals; to catch or trap
Example
The hunter set a snare to catch rabbits.
ハンターはウサギを捕まえるために罠を仕掛けました。
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。
C2 noun /səˈɡæs.ə.t̬i/

sagacity

深い知恵
Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
彼のサガシティは彼を偉大なリーダーにしました。
C1 adjective /ˈsɛnʃuəl/

sensual

官能的
Meaning
Relating to or involving gratification of the senses and physical pleasure.
Example
The painting had a sensual quality that captivated viewers.
その絵は視覚的な魅力があり、観客を魅了しました。
C2 noun /ˈseɪ.ɡoʊ/

Sago

サゴ
Meaning
starchy foodstuff obtained from the pith of various tropical palm stems
Example
She prepared sago pudding for dessert.
彼女はデザートにサゴプディングを準備しました。
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。
A2 noun /sɛlf/

self

自己
Meaning
a person's essential being that distinguishes them from others, especially considered as the object of introspection or reflexive action
Example
She has a strong sense of self.
彼女は強い自己認識を持っています。
C1 adjective ˌsʌbˈlɪm.ɪ.nəl

subliminal

意識の閾値以下で存在または作用し、無意識に心に影響を与える
Meaning
Existing or operating below the threshold of consciousness; perceived by or affecting someone's mind without their being aware of it.
Example
Advertisements often have subliminal messages.
広告にはしばしばサブリミナルメッセージが含まれています。
C1 noun /ʃruː/

shrew

怒りっぽい女性 / 小さなネズミのような動物
Meaning
a small mouse-like animal; also a woman with a bad temper
Example
The play describes a strong-willed woman as a shrew.
この劇は強い意志を持った女性を怒りっぽい女性として描いています。
B2 noun/verb /ˈsæd.əl/

saddle

馬の鞍; 誰かに責任を負わせる
Meaning
A seat fastened on the back of a horse for riding; to burden someone with a responsibility.
Example
He saddled the horse before going for a ride.
彼は乗馬の前に馬にサドルをつけた。
C1 adjective /spɑːrs/

sparse

まばら
Meaning
thinly scattered or distributed; not dense or abundant
Example
Vegetation was sparse in the desert.
砂漠では植生がまばらだった。
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。
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。
C2 noun ˈsaɪəns ˈdezət

science-desert

科学の砂漠
Meaning
A region or area lacking in scientific development, research facilities, or educational institutions.
Example
J.C. Bose thrived in a science-desert.
J.C. ボースは科学の砂漠で成功を収めました。
B1 noun /səˈpɔːtər/

supporter

サポーター
Meaning
a person who supports someone or something
Example
She is a strong supporter of the local animal shelter.
彼女は地元の動物シェルターの強力なサポーターです。
C1 verb /ˈsælvɪdʒ/

salvage

救助
Meaning
To save something from loss, damage, or destruction.
Example
They managed to salvage some goods from the fire.
彼らは火事からいくつかの物を救出することに成功した。
A2 adjective /ʃɑːrp/

Sharp

鋭い; 強烈な; 突然で強い; 理解が速い
Meaning
having a cutting edge or point; sudden and intense; quick to understand
Example
The knife has a very sharp blade.
ナイフは非常に鋭い刃を持っています。
C2 noun /ˈsɜːfdəm/

serfdom

農奴制
Meaning
The status or condition of being a serf, bound to work for a lord.
Example
Many peasants in medieval Europe lived under serfdom.
中世ヨーロッパの多くの農民は農奴制の下で生活していた。
C1 verb /slɪŋ/

sling

投げる、掛ける
Meaning
to throw or hang something roughly or carelessly
Example
He slung his bag over his shoulder before leaving.
彼は出発前に肩にバッグをかけた。
B2 noun, verb /sɪn/

sin

罪
Meaning
an immoral act considered to be a transgression against divine law; to commit an offense against religious or moral law
Example
He confessed his sin to the priest.
彼は神父に自分の罪を告白しました。
C1 adjective /səbˈsɜːviənt/

subservient

Meaning
prepared to obey others unquestioningly; less important than something else
Example
She was too subservient to challenge his decision.
C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

半意識
Meaning
Only partly conscious; not fully aware of surroundings.
Example
He was semiconscious after the accident and could barely respond.
彼は事故後セミコンシャスで、ほとんど反応できなかった。
C2 noun /ˈsʌbtərˌfjuːdʒ/

subterfuge

策略
Meaning
Deceit used to achieve one's goal; a trick or excuse to evade something.
Example
They used subterfuge to avoid paying taxes.
彼らは税金を回避するために策略を使った。
B2 noun /ˈstɑːrtər/

starter

何かを始める人または物; 食事の最初の料理
Meaning
a person or thing that starts something; the first course of a meal
Example
The starter of the meal was a fresh salad.
食事のスターターは新鮮なサラダでした。
C1 adjective /ˈsliːzi/

sleazy

不道徳な、汚い、または低品質な
Meaning
morally low, dirty, or cheap in quality
Example
He avoided the sleazy nightclub downtown.
彼はダウンタウンのスリージーなナイトクラブを避けた。
A2 adjective /sɪksθ/

sixth

六番目
Meaning
coming after the fifth in order, position, or rank
Example
He finished the race in sixth place.
彼はレースで六番目に終わった。
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。
C1 verb /stoʊk/

stoke

Meaning
To add fuel to a fire; to encourage or increase a strong feeling or activity.
Example
The politician’s speech stoked anger among the crowd.
B1 noun /striːm/

stream

流れ
Meaning
A small, narrow river; a continuous flow of something.
Example
The stream of life is unstoppable.
人生の流れは止められない。
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。
C1 noun /sɪlt/

silt

シルト
Meaning
Fine sand, clay, or other material carried by running water and deposited as a sediment.
Example
The river deposited layers of silt along its banks.
川はその岸にシルトの層を堆積させた。
B1 noun /sɛks/

sex

性別
Meaning
the biological distinction between male and female; sexual activity
Example
He was asked about his sex at the doctor's office.
彼は医者のオフィスで自分の性別について尋ねられました。
C1 verb /ˈswɪndl/

swindle

詐欺する
Meaning
to cheat someone out of money or possessions by deceit
Example
The con artist tried to swindle the old man out of his savings.
コンアーティストは、老人の貯金を騙し取ろうとした。
B2 noun /skoʊp/

scope

範囲
Meaning
the range of one's perception, understanding, or activity
Example
The project is beyond the scope of our resources.
そのプロジェクトは私たちのリソースの範囲を超えています。
A2 adjective /ˈsuːpər/

super

スーパー
Meaning
excellent; very good
Example
She did a super job on the project.
彼女はプロジェクトで素晴らしい仕事をしました。
B2 noun ˌspɛk.jʊˈleɪ.ʃən

speculation

投機
Meaning
Investment in stocks, property, or other ventures in the hope of gain but with the risk of loss.
Example
Stock market speculation can lead to high volatility.
株式市場のスペキュレーションは高いボラティリティを引き起こす可能性があります。
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。
A2 noun /smɔːl boʊl/

Small bowl

小さなボウル
Meaning
a round, shallow container of small size used for serving food or liquids
Example
She served the soup in a small bowl.
彼女は小さなボウルにスープを盛りました。
B1 verb /siːk/

seek

求める
Meaning
to try to find or obtain something; to attempt or desire to achieve
Example
He decided to seek advice from his mentor.
彼はメンターからアドバイスを求めることに決めました。
B2 adjective /ˈsoʊloʊ/

solo

ソロ
Meaning
performed by one person alone; a single performance
Example
She decided to perform a solo dance at the talent show.
彼女は才能ショーでソロダンスを披露することに決めた。
B2 noun /ˈsɪɡ.nə.tʃər/

Signature

署名
Meaning
a person's name written in their own handwriting as identification or authorization
Example
Please put your signature at the bottom of the document.
ドキュメントの下部に署名をしてください。
B1 noun /ʃel/

Shell

殻
Meaning
hard outer covering of an animal; explosive projectile for a gun
Example
The artillery fired a shell at the enemy position.
砲兵は敵の陣地に弾丸を発射しました。
B1 noun /ˌsaʊθˈwɛst/

southwest

南西
Meaning
the direction that is between south and west; a region in that direction
Example
They traveled to the southwest of the country for their vacation.
彼らは休暇のために国の南西部に行きました。
C1 verb /ˈʃækəl/

shackle

足かせ
Meaning
to chain or restrain; to restrict someone’s actions or freedom
Example
Outdated regulations shackle small businesses and slow innovation.
古い規制は小規模なビジネスを足かせし、革新を遅らせます。
B2 noun /ˈsɪmptəm/

symptom

症状
Meaning
a sign or indication of something, especially of an illness
Example
Fever is a common symptom of the flu.
熱はインフルエンザの一般的な症状です。
B1 verb /sɪˈlekt/

select

選ぶ
Meaning
to choose from a number of alternatives; to pick out
Example
Please select your favorite color.
お気に入りの色を選んでください。
C1 noun ˈsʌfrɪdʒ

suffrage

選挙権
Meaning
The right to vote in political elections; the principle of political representation.
Example
Universal suffrage was a key demand.
普遍的な選挙権は重要な要求でした。
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。
A1 noun /ʃɒp/

shop

店
Meaning
a place where goods are sold to customers
Example
I need to go to the shop to buy some groceries.
私は食料品を買うためにショップに行かなければならない。
C1 adjective /ˈsʌpl/

supple

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

Share

部分
Meaning
a portion of something; a part or portion of a larger amount
Example
Each partner received an equal share of the company profits.
各パートナーは会社の利益の平等な部分を受け取りました。
B2 verb /sʌk/

suck

吸う
Meaning
to draw something into the mouth by using the lips and tongue
Example
The baby began to suck her thumb.
赤ちゃんは親指を吸い始めた。
B2 verb /səˈspɛnd/

suspend

一時停止する
Meaning
To temporarily stop something from being active or valid.
Example
The company decided to suspend his membership.
その会社は彼の会員資格をサスペンドすることに決めました。
C2 noun (plural, informal) /skædz/

scads

たくさん
Meaning
A large number or quantity of something (informal).
Example
She has scads of friends in the city.
彼女は街にたくさんの友達がいます。
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 noun /ˈseɪ.vɪŋz/

savings

貯金
Meaning
Money that is saved, especially in a bank or official scheme for future use.
Example
Many people invest their savings in real estate.
多くの人々は不動産に貯金を投資します。
B1 adjective ˌsaɪənˈtɪfɪk

scientific

科学的な
Meaning
Based on or characterized by the methods and principles of science.
Example
Scientific discoveries continue to shape our understanding of the world.
科学的な発見は私たちの世界理解を形成し続けています。
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。
C1 adjective /ˈspɛərɪŋ/

sparing

控えめ / 節約
Meaning
Using or giving only a little of something; economical.
Example
She is sparing in her use of words.
彼女は言葉を使うのを控えめにしています。
C1 noun /ˌstætɪˈstɪʃən/

statistician

統計学者
Meaning
A person who specializes in collecting, analyzing, and interpreting numerical data.
Example
The statistician presented the survey results with great clarity.
統計学者は調査結果を明確に示しました。
B2 verb /stʌn/

stun

驚かす, 気絶させる
Meaning
to shock or surprise someone greatly; to knock someone unconscious or dazed
Example
The news of her sudden resignation stunned everyone.
彼女の突然の辞任のニュースは皆を驚かせた。
C1 noun /ˈstaɪləs/

stylus

スタイラス
Meaning
a small tool used for writing, drawing, or touching screens
Example
She used a stylus to draw on her tablet.
彼女はタブレットで絵を描くためにスタイラスを使用しました。
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。
C1 verb/noun /ˈswæɡ.ər/

swagger

自信過剰
Meaning
To walk or behave in a very confident and arrogant way.
Example
He swaggered into the room as if he owned the place.
彼はまるでその場所のオーナーであるかのように部屋に入ってきました。
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。
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。
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。
C2 noun /sɜːrˈsiːs/

surcease

停止
Meaning
a temporary or final ending or stopping of something
Example
The noise finally came to a surcease after midnight.
騒音は真夜中を過ぎて最終的に停止しました。
C1 noun /ˈstəʊ.ɪ.sɪ.zəm/

stoicism

ストイック主義
Meaning
The endurance of pain or hardship without the display of feelings and without complaint.
Example
His stoicism during hardship was admirable.
困難な時に彼のストイック主義は賞賛に値した。
C1 adjective ˈsɪŋ.krə.nəs

synchronous

同期
Meaning
Existing or occurring at the same time.
Example
Synchronous learning involves live online classes.
同期学習にはライブオンラインクラスが含まれています。
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 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。
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 noun /seɪnt/

Saint

聖人として認められた人物; とても親切で忍耐強い人物
Meaning
person recognized as holy or virtuous; very kind or patient person
Example
Mother Teresa was declared a saint by the Catholic Church.
マザー・テレサはカトリック教会によって聖人と宣言されました。
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 /siːdʒ/

siege

包囲
Meaning
A military operation in which a place is surrounded to force its surrender.
Example
The castle fell after a long siege.
城は長い包囲戦の後に落ちました。
C1 adjective /səˈdɪs.tɪk/

sadistic

サディスティック
Meaning
Deriving pleasure from inflicting pain or suffering on others.
Example
The villain had a sadistic smile while hurting his enemies.
悪党は敵に痛みを与えている間、サディスティックな笑顔を浮かべていた。
C1 noun ˌsɪs.təˈmæt.ɪk ˈstræt.ə.dʒi

systematic strategy

体系的戦略
Meaning
A methodical and organized plan or approach to achieve specific objectives.
Example
A systematic strategy was employed to achieve objectives.
目標を達成するために体系的戦略が採用されました。
B2 noun /ˈspɒt.laɪt/

spotlight

Meaning
a strong beam of light directed onto a particular area; figuratively, public attention
Example
The singer stood proudly in the spotlight.
B1 verb /spaɪ/

spy

スパイする
Meaning
to secretly collect information about a person, group, or country
Example
He was caught spying on his neighbor through the window.
彼は窓越しに隣人をスパイしているところを捕まえられた。
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。
B1 noun /ˈsɛt ʌp/

set-up

構成
Meaning
The arrangement or organization of something; a planned structure or scheme
Example
The company presented a new set-up for the office layout.
会社はオフィスレイアウトのために新しいセットアップを発表した。
B2 verb, noun /stæb/

stab

刺す
Meaning
to pierce or wound with a pointed weapon or object
Example
He was stabbed in the back during the altercation.
彼は口論中に背中を刺されました。
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 /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, 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。
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。
C1 verb /ʃʌnt/

shunt

切り替える
Meaning
to move or turn aside; to push or divert from one track to another
Example
The train was shunted onto a different track.
列車は別の線路に切り替えられました。
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 verb /smaɪl/

smile

微笑み
Meaning
to express happiness or friendliness by turning the corners of the mouth upwards
Example
She smiled when she saw the gift.
彼女はプレゼントを見て微笑んだ。
B2 noun /sloʊp/

Slope

坂; 傾斜地
Meaning
an inclined surface; a piece of ground that is not level
Example
We walked up the steep slope of the mountain.
私たちは山の急な坂を登りました。
C1 noun /səˈlɛmnɪti/

solemnity

厳粛
Meaning
the state or quality of being serious and dignified
Example
The ceremony was conducted with great solemnity.
式典は厳粛な雰囲気の中で行われました。
C1 noun /ˈskwɒtər/

squatter

不法占拠者
Meaning
a person who unlawfully occupies an uninhabited building or unused land
Example
The police removed the squatters from the abandoned house.
警察は廃墟から不法占拠者を追い出しました。
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 /sɔ/

saw

のこぎりで切る
Meaning
to cut with a saw; to use a cutting tool
Example
The carpenter saws the wood into pieces.
大工は木を切って小さな部分に分けます。
C1 adjective /ˈsʌl.ki/

Sulky

不機嫌で無口; 気分屋
Meaning
bad-tempered and sullen; moody
Example
The child became sulky when he couldn't get his favorite toy.
その子供はお気に入りのおもちゃが手に入らなかったとき、不機嫌になった。
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。
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 noun /ˈskændəl/

scandal

スキャンダル
Meaning
an event or action that causes public outrage or damage to one's reputation
Example
The politician's affair became a public scandal.
その政治家の不倫は公然のスキャンダルとなった。
C1 noun /strəˈtiː.dʒɪk ˈɪn.saɪts/

strategic insights

戦略的洞察
Meaning
Deep understanding and wisdom gained through careful analysis for planning purposes.
Example
Strategic insights guide policymaking.
戦略的洞察は政策立案を導く。
B1 noun, verb /ˈseɪ.lɪŋ/

sailing

帆走
Meaning
The act of traveling in a boat or ship using sails; the sport or activity of navigating a boat with sails.
Example
We went sailing on the lake during the summer.
私たちは夏に湖で帆走をしました。
C1 noun /ˈsɜːrmən/

sermon

説教
Meaning
A religious discourse delivered by a preacher, often offering moral instruction or spiritual guidance.
Example
The pastor gave a moving sermon about compassion and forgiveness.
牧師は思いやりと許しについて感動的な説教をしました。
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。
B2 noun /sɔːrd/

Sword

剣
Meaning
a weapon with a long metal blade and a handle, used for fighting
Example
The knight drew his sword to defend the castle.
騎士は城を守るために剣を抜いた。
C1 adjective /ˈstoʊɪk/

stoic

冷静な, 無感情な
Meaning
Showing little or no emotion, even in difficult situations.
Example
She remained stoic during the crisis, never showing fear or panic.
彼女は危機の間、冷静で恐怖やパニックを示さなかった。
B2 noun /ˈsnoʊ.fɔːl/

Snowfall

雪降り
Meaning
the process of snow falling from the sky; the amount of snow that falls
Example
The heavy snowfall blocked all the roads yesterday.
昨日の大雪で全ての道路が閉鎖されました。
C1 adjective /ˌsuːɪˈsaɪdəl/

Suicidal

自殺的
Meaning
relating to or having thoughts of killing oneself; extremely dangerous or harmful
Example
The reckless driving was suicidal behavior.
無謀な運転は自殺的な行動でした。
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 noun /ˌsɪmjuˈleɪʃən/

simulation

シミュレーション
Meaning
the imitation of a situation or process
Example
The simulation helped the students understand the complex theory.
シミュレーションは学生が複雑な理論を理解するのを助けました。
C2 noun /ˈspæŋɡəl/

spangle

スパンコール
Meaning
A small shiny piece of metal or plastic used for decoration on clothes.
Example
Her dress was covered with silver spangles that glittered in the light.
彼女のドレスは銀色のスパンコールで覆われていて、光の中でキラキラ光っていた。
C1 verb /smɛlt/

smelt

溶かす
Meaning
to extract metal from its ore by heating and melting
Example
The workers smelt iron from its ore in the factory.
作業員は工場で鉱石から鉄を溶かして取り出します。
B1 adjective /ˈsekənderi/

secondary

二次的
Meaning
Less important than something else; derived from or dependent on something primary.
Example
Safety is our primary concern, while speed is only secondary.
安全は私たちの最優先事項であり、速度は二次的なものです。
A2 noun /ˈsɛlər/

seller

幸せ
Meaning
a person who sells something
Example
The seller offered a discount on bulk purchases.
彼女は賞を受け取ったとき、幸せを隠せませんでした。
B2 noun /ˈsɛnsər/

sensor

幸せ
Meaning
a device that detects or measures a physical property and records, indicates, or responds to it
Example
The motion sensor turned on the light automatically.
彼女は賞を受け取ったとき、幸せを隠せなかった。
B2 adjective /səbˈstæn.ʃəl/

Substantial

実質的; かなりの; 重要な
Meaning
large in size, amount, or importance; considerable; significant
Example
There was a substantial increase in sales this quarter.
この四半期に売上は実質的に増加しました。
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。