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B2 adjective /ˈlɪniər/

linear

線形
Meaning
Arranged in or extending along a straight line.
Example
The artist used linear perspective in his drawings.
アーティストは彼の絵に線形透視を使用しました。
C2 noun /ˈlændˌhoʊl.dər/

landholder

土地所有者
Meaning
a person who owns land, especially in large amounts
Example
The landholder leased part of his property to local farmers.
土地所有者は自分の財産の一部を地元の農民に貸しました。
C2 noun /ˈleʧ.ər/

Lecher

好色な男
Meaning
a man who behaves in a sexually inappropriate way towards women
Example
The company fired him for being a lecher.
会社は彼が好色な男だったため、解雇した。
B2 adjective /ˈlɛdʒɪslətɪv/

legislative

立法の
Meaning
relating to the making of laws
Example
The legislative body passed the new tax bill.
立法機関は新しい税法を可決しました。
C2 adjective /ˈlɔːdəˌtɔːri/

laudatory

賞賛の
Meaning
Expressing praise or admiration.
Example
She wrote a laudatory review of the new book.
彼女は新しい本の賛辞のレビューを書いた。
B2 noun ˈlæbrətɔːriz

laboratories

実験室
Meaning
A room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
Example
Advanced laboratories enabled groundbreaking discoveries.
先進的な実験室は画期的な発見を可能にしました。
C2 noun /ˌlaɪ.pəˈdʒen.ɪ.sɪs/

lipogenesis

脂肪合成
Meaning
The metabolic process of fat synthesis where excess carbohydrates are converted into fatty acids and stored as triglycerides.
Example
Excess carbohydrate intake promotes lipogenesis and fat storage.
過剰な炭水化物の摂取は脂肪合成と脂肪の蓄積を促進します。
B2 adjective /ˈlɛdʒəndɛri/

legendary

Meaning
remarkable enough to be famous; often used to describe something that is iconic or widely known
Example
The legendary musician performed in front of a packed stadium.
B1 verb /loʊˈkeɪt/

locate

位置を特定する
Meaning
to find the exact position or place of something
Example
They managed to locate the missing keys under the couch.
彼らはソファの下で失われた鍵を見つけることに成功しました。
A2 adjective /liːst/

Least

最小
Meaning
smallest in amount or degree; minimal
Example
This is the least expensive option available.
これは利用可能な最も安価なオプションです。
B1 adjective /ˈlʌv.ɪŋ/

Loving

愛情深い; 世話好きな; 愛と温かさを示す
Meaning
affectionate; caring; showing love and warmth
Example
She is a loving mother who cares deeply for her children.
彼女は子供たちを深く思いやる愛情深い母親です。
A1 adjective /lɑːrdʒ/

Large

大きい; 巨大な; 広大な
Meaning
of considerable size, extent, or intensity; big
Example
The large building dominated the city skyline.
その大きなビルは街のスカイラインを支配していた。
C1 noun /ˈlʌləˌbaɪ/

lullaby

子守唄
Meaning
a soothing song sung to help a child fall asleep
Example
She sang a lullaby to her baby every night.
彼女は毎晩赤ちゃんに子守唄を歌っていた。
C1 noun /læʃ/

Lash

まつげ; 鞭打ち
Meaning
an eyelash; a sharp blow with a whip or rope; to strike forcefully
Example
She carefully applied mascara to make her lashes look longer and darker.
彼女は慎重にマスカラを塗って、自分のまつげを長く、濃く見せようとしました。
C2 noun /ˈlɪnəmənt/

liniment

リニメント / ローション
Meaning
A liquid or lotion applied to the skin to relieve pain or stiffness.
Example
He rubbed liniment on his sore muscles after the workout.
彼はトレーニング後、痛んだ筋肉にリニメントを擦り込んだ。
C1 verb /ˈlɪtɪˌɡeɪt/

litigate

訴訟する
Meaning
to engage in legal proceedings or take a dispute to court
Example
The company decided to litigate the contract dispute.
その企業は契約の争いを訴えることに決めた。
A1 verb /læf/

laugh

笑う
Meaning
to make sounds and movements expressing happiness or amusement
Example
The joke made everyone laugh.
そのジョークでみんなが笑った。
C2 verb ˈlev.ɪ.teɪ.tɪŋ

levitating

浮遊
Meaning
Rising and hovering in the air, especially as a result of supernatural or magical power.
Example
The levitating structure is an engineering marvel.
その浮遊する構造は工学の驚異です。
C2 noun /ˈlev.ɪ.ti/

Levity

軽薄さ; フリヴォリティ; 尊重の欠如
Meaning
humor or frivolity, especially the treatment of a serious matter with humor or in a manner lacking due respect
Example
The levity in the courtroom was inappropriate.
法廷での軽薄さは不適切でした。
C1 adjective /ˈluː.mɪ.nəs/

Luminous

輝く; 明るい; 光る
Meaning
bright; shining; emitting light; radiant
Example
The luminous stars filled the dark night sky.
輝く星々が暗い夜空を満たした。
C1 noun /ˈlɔːsuːt/

lawsuit

訴訟
Meaning
a legal case brought to a court of law by one person against another
Example
The company faced a lawsuit over false advertising.
その会社は虚偽広告に関する訴訟に直面した。
B1 noun /lɔk/

Lock

鍵
Meaning
a mechanism for keeping a door, lid, etc., fastened, typically operated only by a key of a particular form
Example
Make sure you lock the door before leaving.
出かける前にドアをロックしてください。
C1 noun /ˈleɪ.tən.si/

latency

遅延
Meaning
The delay in processing signals or data.
Example
High latency in online gaming can cause lagging issues.
オンラインゲームの高い遅延はラグの問題を引き起こす可能性があります。
B2 adjective /ˈliː.fi/

Leafy

葉が多い; 葉で覆われた
Meaning
having many leaves; covered with leaves
Example
The leafy green vegetables are very nutritious.
葉の多い緑の野菜はとても栄養価が高いです。
B2 adjective /leɪm/

Lame

足が不自由; 病気
Meaning
unable to walk normally because of an injury or illness affecting the leg or foot; weak and unconvincing
Example
The injured horse was lame and couldn't walk properly.
怪我をした馬は足を引きずり、正常に歩くことができなかった。
C2 /laɪð/

lithe

しなやかで優雅
Meaning
thin, supple, and graceful in movement
Example
The lithe dancer captivated the audience with her graceful spins.
しなやかなダンサーはその優雅な回転で観客を魅了しました。
A1 noun /laɪf/

life

生命
Meaning
The existence of an individual human being or animal.
Example
Life is full of challenges and opportunities.
生命は挑戦と機会に満ちています。
C1 adjective /ˈlækˌlʌstər/

lackluster

輝きがない
Meaning
Lacking in vitality, force, or conviction; uninspired or uninspiring.
Example
The lackluster performance disappointed the audience.
輝きがないパフォーマンスは観客を失望させました。
C2 noun /lɑːrˈʒes/

largess

寛大さ
Meaning
Generosity in giving gifts or money.
Example
The foundation survived thanks to the largess of wealthy donors.
財団は裕福な寄付者の寛大さのおかげで存続しました。
C2 noun /ˈlæriət/

lariat

ロープ
Meaning
A long rope with a noose at one end used to catch animals such as cattle or horses.
Example
The cowboy threw his lariat to catch the stray horse.
カウボーイは迷子の馬を捕まえるためにロープを投げました。
C1 verb /ˈlæmɪˌneɪt/

laminate

ラミネート
Meaning
to cover or enclose something with a protective layer, usually plastic
Example
She laminated her important documents to protect them from damage.
彼女は重要な書類をダメージから守るためにラミネートしました。
C2 noun /lɔːŋ ˈpepər/

Long pepper

ロングペッパー
Meaning
a flowering vine in the family Piperaceae, cultivated for its fruit which is used as a spice
Example
Long pepper was more valuable than black pepper in ancient times.
ロングペッパーは古代において黒胡椒よりも価値が高かった。
A2 noun /leŋθ/

Length

長さ
Meaning
the measurement or extent of something from end to end; the greater of two or the greatest of three dimensions
Example
The length of the table is two meters.
テーブルの長さは2メートルです。
B2 adjective /ˈlɔːŋtaɪm/

longtime

長い時間の
Meaning
having existed or continued for a long time
Example
They are longtime friends who met in college.
彼らは大学で出会った長い時間の友達です。
A1 noun ˈlæŋɡwɪdʒ

language

言語
Meaning
A method of communication used by humans, consisting of spoken and written words structured in specific ways.
Example
Learning a new language can be exciting.
新しい言語を学ぶことはワクワクすることができます。
B2 adjective, adverb /ˈlɒŋ taɪm/

long-time

長年の
Meaning
lasting or existing for a long period of time; having continued for many years
Example
She is a long-time friend of my family.
彼女は私の家族の長年の友人です。
B2 noun /ˈlɪt.ər.ə.si/

Literacy

識字
Meaning
the ability to read and write; competence or knowledge in a specified area
Example
Adult literacy programs help people learn to read.
成人識字プログラムは人々が読むことを学ぶのを助けます。
B1 noun /ˈlʌk.ʃər.i/

Luxury

贅沢
Meaning
the state of great comfort and extravagant living; an inessential, desirable item that is expensive or difficult to obtain
Example
They enjoyed the luxury of a five-star hotel.
彼らは五つ星ホテルのラグジュアリーを楽しんでいました。
C1 noun /ˈlɪŋɡwɪst/

linguist

言語学者
Meaning
A person skilled in foreign languages or in the scientific study of language.
Example
She is a linguist who speaks six languages fluently.
彼女は6か国語を流暢に話す言語学者です。
C2 noun /ˌlɛksɪˈkɒɡrəfi/

lexicography

辞書学
Meaning
The art or practice of compiling dictionaries.
Example
Lexicography requires both linguistic and cultural knowledge.
辞書学は、言語学と文化的な知識の両方を必要とします。
C1 verb /loʊð/

loathe

嫌う
Meaning
to feel intense dislike or disgust for
Example
He absolutely loathes being late to meetings.
彼は会議に遅れるのが大嫌いです。
C1 verb /ˈlɛvi/

levy

課税する
Meaning
To impose or collect, especially a tax or fine.
Example
The government decided to levy a new tax on luxury goods.
政府は高級品に新しい税金を課すことに決めました。
C2 adjective /lʌɡˈʒʊəriənt/

luxuriant

豊かな
Meaning
abundant in growth or richly abundant
Example
The luxuriant forest was teeming with life.
豊かな森は命で満ちていた。
C2 noun /ˈlæŋɡər/

languor

倦怠
Meaning
A state of tiredness, inertia, or dreamy relaxation.
Example
The hot afternoon filled her with languor.
暑い午後は彼女を倦怠で満たしました。
C2 noun /lɪˈbrɛtoʊ/

libretto

オペラの台本
Meaning
The text of an opera or other long vocal work.
Example
She studied the libretto before attending the opera performance.
彼女はオペラの公演に行く前にリブレットを勉強しました。
C2 noun /liːdʒ/

liege

領主
Meaning
A feudal lord entitled to allegiance and service; a loyal subject.
Example
The knight pledged loyalty to his liege.
騎士は彼の領主に忠誠を誓った。
A1 noun /lʌntʃ/

Lunch

ランチ
Meaning
a meal eaten in the middle of the day, typically one that is lighter or less formal than an evening meal
Example
We had lunch at a nice restaurant downtown.
私たちは市内の良いレストランでランチをしました。
C2 verb /lɑːl/

loll

だらりと座る
Meaning
To sit, lie, or stand in a lazy, relaxed way.
Example
He lolled on the sofa after a long day at work.
長い仕事の後で、彼はソファにだらりと座った。
C1 noun /ˈlaɪtʃi/

Litchi

ライチ
Meaning
a small oval pink-red tropical fruit with white translucent flesh and sweet taste
Example
The litchi has a rough pink shell that you peel to eat the sweet white fruit inside.
ライチは、外側がざらざらしたピンク色の皮で、中に甘くて白い果実が入っています。
C1 adjective /ˈlɔː.də.bəl/

laudable

称賛に値する
Meaning
Deserving praise and admiration.
Example
Her efforts to help the poor are truly laudable.
貧しい人々を助けるための彼女の努力は本当に称賛に値します。
C2 adjective /ˈluːpi/

loopy

おかしい
Meaning
crazy, silly, or eccentric
Example
After working all night, he felt a little loopy.
一晩中働いた後、彼は少しおかしく感じました。
A2 adjective/adverb /laʊd/

loud

大きい
Meaning
Producing or capable of producing much noise.
Example
The music was too loud to concentrate.
音楽はあまりにも大きすぎて、集中できませんでした。
C1 noun lɪˈkwɪd.ə.ti

liquidity

流動性
Meaning
The availability of liquid assets to a market or company; the ability to convert assets into cash quickly.
Example
Maintaining liquidity is crucial for financial stability.
流動性の維持は財務の安定性にとって重要です。
A2 noun /lɪst/

List

リスト
Meaning
a number of connected items or names written or printed consecutively, typically one below the other
Example
Make a list of things you need to buy.
買うべきもののリストを作成してください。
B2 noun /ˈlæn.tərn/

Lantern

ランタン
Meaning
a portable lamp with a protective covering, often used outdoors
Example
We carried a lantern during our camping trip.
私たちはキャンプの旅行中にランタンを持っていました。
A1 verb /let/

let

許可する
Meaning
to allow someone to do something; to give permission
Example
Please let me help you with that task.
その作業を手伝わせてください。
C2 noun /ˈlætɪs/

lattice

格子構造
Meaning
A structure of crossed strips arranged in a grid or crisscross pattern.
Example
The garden was decorated with a wooden lattice covered in vines.
庭は、蔦で覆われた木製の格子構造で飾られていました。
C2 noun /ˌlɪk.wəˈfeɪ.ʃənt/

liquefacient

液体化剤
Meaning
a substance that causes something to become liquid
Example
The chemist explained how the liquefacient worked in the experiment.
化学者は、実験で液体化剤がどのように機能するかを説明しました。
C1 noun /ˈleɪˌpɜːrsən/

layperson

素人
Meaning
A person who is not a member of the clergy or does not have specialized knowledge in a subject.
Example
The judge explained the law so that the layperson could understand.
裁判官は法を説明し、素人でも理解できるようにしました。
C1 adjective ləˈθɑːrdʒɪk

lethargic

無気力
Meaning
Being inactive due to lack of physical or mental energy
Example
After a heavy meal, he felt lethargic and sleepy.
重い食事を取った後、彼は無気力で眠気を感じた。
B1 noun /ˈlɪm.ɪt/

Limit

制限; 限界
Meaning
a point or level beyond which something does not or may not extend or pass; the greatest amount allowed
Example
There is a speed limit on this road.
この道には速度制限があります。
B2 noun /ˈlaɪv.stɒk/

livestock

家畜
Meaning
farm animals such as cattle, sheep, and pigs that are kept for use or profit
Example
The farmer raised livestock to supply meat and milk for the market.
農家は市場のために肉と牛乳を供給するために家畜を育てていました。
C2 noun /ˈlɪmərɪk/

limerick

ユーモラスな五行詩
Meaning
a humorous five-line poem with a specific rhythm and rhyme scheme (AABBA).
Example
She recited a funny limerick at the party.
彼女はパーティーで面白いリメリックを朗読しました。
C1 verb /ˈlɛdʒɪsˌleɪt/

legislate

立法する
Meaning
to make or enact laws
Example
The government plans to legislate new safety standards.
政府は新しい安全基準を制定する計画です。
A2 noun /ˈlɜːrnər/

learner

学習者
Meaning
a person who is acquiring knowledge or skill through study or experience
Example
She is a fast learner.
彼女は覚えが早い。
C1 noun /ˈleɪ.mən/

Layman

素人; 専門的な知識のない人
Meaning
a person without professional or specialized knowledge in a particular subject
Example
The doctor explained the procedure in layman's terms.
医師はその手順を素人向けの言葉で説明しました。
C2 verb /leɪv/

lave

洗う
Meaning
To wash or bathe.
Example
She laved her face with cool water.
彼女は冷たい水で顔を洗った。
B1 noun /ˈlæftər/

laughter

笑い
Meaning
the act or sound of laughing
Example
The room was filled with laughter.
部屋は笑いで満ちていた。
A2 phrasal verb /lʊk ˈɑːftər/

look after

世話をする
Meaning
to take care of someone or something; to be responsible for someone’s well-being
Example
She looks after her younger brother while their parents are at work.
両親が仕事の間、彼女は弟の世話をする。
C2 noun ˈlɪɡ.nəʊˌsæt

LignoSat

木製衛星
Meaning
A wooden satellite that demonstrates the use of wood in space technology.
Example
LignoSat demonstrates the use of wood in space.
LignoSat は宇宙で木材の使用を示しています。
C2 noun /ˈlaɪər/

lier

嘘つき
Meaning
a person who tells lies; an alternative spelling of liar
Example
No one trusted him because he was known as a habitual lier.
彼は常習的な嘘つきだったので、誰も彼を信用しなかった。
C1 noun ˌlɪt.ɪˈɡeɪ.ʃən

litigation

訴訟
Meaning
The process of taking legal action; a lawsuit.
Example
The litigation accused the regime of human rights abuses.
訴訟は政権を人権侵害で告発した。
B2 verb /ˈlaɪɪŋ/

lying

嘘をつく
Meaning
the act of not telling the truth
Example
He was caught lying about his grades.
彼は成績について嘘をついているところを捕まえられました。
C1 noun /ˈledʒ.ər/

Ledger

元帳
Meaning
a book or other collection of financial accounts of a particular type
Example
The accountant updated the company ledger daily.
会計士は毎日会社の元帳を更新しました。
A1 verb /laɪk/

like

好き
Meaning
to enjoy or find something pleasant; to have a preference for
Example
I like reading books in my free time.
私は自由時間に本を読むのが好きです。
B2 noun ˈlaɪf ɪkˌspek.tən.si

life expectancy

平均寿命
Meaning
The average period that a person may expect to live; the length of time for which something is expected to last or to continue being effective.
Example
Life expectancy depends on healthcare quality.
平均寿命は医療の質に依存します。
C1 noun /ˌloʊ.kəˈmoʊ.tɪv/

locomotive

機関車
Meaning
A powered rail vehicle used for pulling trains.
Example
The old steam locomotive was restored for the museum.
古い蒸気機関車は博物館のために修復されました。
C1 adjective /ˈluːdɪkrəs/

ludicrous

ばかげた
Meaning
so foolish, unreasonable, or out of place as to be amusing
Example
It is ludicrous to think the Earth is flat.
地球が平らだと思うのはばかげている。
C1 noun /læns/

Lance

槍
Meaning
a long weapon with a sharp metal point, used by soldiers on horseback
Example
The knight charged forward with his lance ready.
騎士は準備が整った槍を持って前進した。
B1 noun /leɪn/

lane

小道
Meaning
a narrow road or path, often in the countryside or for specific traffic
Example
They walked down a quiet country lane.
彼らは静かな田舎道を歩いていました。
C1 noun /ˈlɪbərəlɪzəm/

liberalism

リベラリズム
Meaning
a political and social philosophy advocating individual freedoms, democracy, and equality
Example
Liberalism emphasizes freedom of speech and human rights.
リベラリズムは言論の自由と人権を強調します。
A2 noun /ˈləʊɡəʊ/

logo

Meaning
a symbol or other small design adopted by an organization to identify its products, uniform, vehicles, etc.
Example
The company's logo was redesigned to reflect its new image.
B2 adjective ˈlɒdʒ.ɪ.kəl

logical

論理的
Meaning
Of or according to the rules of logic or formal argument.
Example
Logical circuits ensure effective computation.
論理的回路は効果的な計算を保証します。
B1 noun /lenz/

lens

レンズ
Meaning
a curved piece of glass or plastic that makes things look clearer or larger when you look through it
Example
He cleaned the camera lens before taking the picture.
彼は写真を撮る前にカメラのレンズをきれいにしました。
C2 noun /lækˈteɪʃən/

lactation

授乳
Meaning
the secretion of milk by the mammary glands of female mammals
Example
The doctor explained that lactation is a natural process after childbirth.
医者は、出産後の授乳が自然なプロセスであると説明しました。
C2 noun /ˈlæɡ.ərd/

Laggard

遅れて進む人; 他の人より遅れを取る人
Meaning
a person who makes slow progress and falls behind others; someone who is slow to act
Example
The laggard student finally submitted his assignment after the deadline.
遅れた学生は締め切り後にようやく課題を提出しました。
C2 noun /ˈlɔɪtərər/

loiterer

目的もなく場所にいる人
Meaning
A person who lingers aimlessly in a place without purpose.
Example
The police questioned the loiterer outside the store.
警察は店の外でロイタラーに尋問をした。
C2 noun /ˌlɛksɪˈkɒɡrəfər/

lexicographer

辞書編纂者
Meaning
A person who compiles, writes, or edits dictionaries.
Example
The lexicographer spent years compiling the dictionary.
そのレキシコグラファーは辞書を編纂するのに数年を費やした。
C1 noun /lʌmp/

Lump

かたまり; ぶつかり; こぶ
Meaning
a compact mass of a substance, especially one without a definite or regular shape
Example
She found a lump of sugar in the bowl.
彼女はボウルの中で砂糖の塊を見つけました。
C2 verb /lʌɡˈʒʊrieɪt/

luxuriate

贅沢を楽しむ
Meaning
to enjoy something in a self-indulgent way; to take pleasure in great comfort
Example
She luxuriated in the warm bubble bath after a long day.
長い一日の後、彼女は暖かいバブルバスで贅沢を楽しんでいた。
B1 adverb /ˈlaɪk.li/

Likely

おそらく; 高い確率で
Meaning
probably; having a high probability of happening or being true
Example
It will likely rain tomorrow according to the weather forecast.
天気予報によると、明日はおそらく雨が降るでしょう。
C1 noun /ˈlaɪm.laɪt/

Limelight

公衆の注目の中心; ライムのシリンダーを加熱して発生する明るい光
Meaning
the focus of public attention; a bright light produced by heating a cylinder of lime
Example
The celebrity enjoyed being in the limelight.
有名人はスポットライトの中で楽しんでいました。
C1 noun /ˈliːvˌteɪ.kɪŋ/

leave-taking

お別れ
Meaning
an act of saying goodbye; farewell
Example
His leave-taking from his friends was emotional.
彼の友達へのお別れは感動的でした。
C1 adjective /ˈlʌʃəs/

luscious

美味しい
Meaning
deliciously sweet or rich; highly appealing to the senses
Example
She served a luscious chocolate cake.
彼女は美味しいチョコレートケーキを出しました。
A2 adjective /ˈleɪtɪst/

latest

最新の
Meaning
most recent in time; newest available
Example
She shared the latest updates with the team.
彼女はチームと最新のアップデートを共有した。
B1 noun /læd/

lad

少年
Meaning
a boy or young man; a male youth
Example
The young lad helped his father in the shop.
その若い少年は店で父親を手伝った。
B2 adverb /ˈliːɡəli/

legally

合法的に
Meaning
in a way that is allowed by law
Example
He is legally responsible for his actions.
彼は自分の行動に対して合法的に責任があります。
B2 adjective /ˈlɪb.ər.əl/

Liberal

リベラル; 寛容な; 寛大な; 思考が進歩的な
Meaning
open-minded; tolerant; generous; progressive in thinking
Example
She has a liberal attitude towards different cultures and beliefs.
彼女はさまざまな文化や信念に対してリベラルな態度を持っています。
C1 verb, noun /læɡ/

lag

遅れるまたは遅延する
Meaning
To fall behind in movement, progress, or development; a delay or period of falling behind.
Example
The old computer tends to lag when running new software.
古いコンピューターは新しいソフトウェアを実行するときにラグが発生しやすい。
B2 noun /lɪm/

limb

手足
Meaning
an arm or leg of a person or animal; a large branch of a tree
Example
He broke a limb while climbing the tree.
彼は木に登るときに手足を折った。
C1 adjective /ˌloʊ ˈspɪrɪtɪd/

low-spirited

落ち込んだ
Meaning
feeling sad, depressed, or lacking enthusiasm
Example
He felt low-spirited after hearing the bad news.
悪いニュースを聞いて、彼は落ち込んでいた。
C1 adjective /ləˈbɔːr.i.əs/

laborious

骨の折れる
Meaning
requiring considerable effort and time; difficult and hard-working
Example
Writing the long report was a laborious task.
長いレポートを書くことは骨の折れる仕事でした。
C2 adjective /ˈlæk.rɪ.moʊs/

lachrymose

涙を流す、悲しむ
Meaning
tearful or given to weeping; sad and mournful
Example
The movie's lachrymose ending left the audience in tears.
映画の悲しい結末は観客を涙で満たしました。
C1 verb ˈlæŋ.ɡwɪʃ

languish

衰退するまたは不振になる
Meaning
To remain in a state of neglect or decline for a long time without improvement.
Example
The project began to languish due to a lack of funding.
そのプロジェクトは資金不足で衰退し始めました。
A2 noun /ˈlæd.ər/

Ladder

はしご
Meaning
a structure consisting of two upright parallel sides connected by rungs, used for climbing up or down
Example
He climbed the ladder to reach the books on the top shelf.
彼は上の棚の本を取るためにはしごを登った。
C2 noun /ˈlɪbərəlɪst/

liberalist

リベラリスト
Meaning
a person who supports liberal ideas and principles
Example
He is a well-known liberalist advocating human rights.
彼は人権を擁護することで知られるリベラリストです。
C2 adjective /ˈluː.ni/

Loony

クレイジー; バカ; 精神的に不安定
Meaning
crazy; silly; mentally unstable
Example
His loony behavior made everyone laugh.
彼のクレイジーな行動でみんなが笑った。
B2 noun /ˈlen.tɪl/

Lentil

レンズ豆
Meaning
a high-protein pulse which is dried and then soaked and cooked prior to eating
Example
She cooked red lentils for dinner tonight.
彼女は今晩の夕食に赤レンズ豆を調理しました。
C1 adjective lɪŋˈɡwɪs.tɪk

linguistic

言語学的
Meaning
Related to language or linguistics; concerning the scientific study of language.
Example
The AI model learns from linguistic patterns.
AIモデルは言語学的パターンから学習します。
C1 adjective /ˈlɔː.ləs/

Lawless

無法; 無政府主義; 無秩序; 犯罪者
Meaning
without law; anarchic; unruly; criminal
Example
The frontier town was known for its lawless behavior and chaos.
その国境の町は無法行為と混乱で知られていた。
B2 noun /ˈlæv.ən.dər/

Lavender

ラベンダー
Meaning
a fragrant purple flowering plant used in perfumes and aromatherapy
Example
The lavender field filled the air with its sweet, calming fragrance.
ラベンダー畑は、その甘く落ち着く香りで空気を満たしました。
A2 adjective /ˈlʌv.li/

Lovely

素敵な; 魅力的な; 見事な
Meaning
beautiful; charming; delightful; attractive
Example
What a lovely day for a picnic!
ピクニックにぴったりの素晴らしい日ですね！
C1 adjective/verb /ˈleɪ.bərd/

labored

苦労した
Meaning
done with great effort and difficulty; or past tense of labor
Example
He gave a labored explanation that confused the audience.
彼は観客を混乱させた苦しげな説明をした。
B1 adverb /ˈleɪt.li/

Lately

最近; この頃;
Meaning
recently; in the recent past; not long ago
Example
I haven't seen him lately, but I heard he got a new job.
最近彼を見ていませんが、新しい仕事を得たと聞きました。
C1 verb /ˈluːbrɪkeɪt/

lubricate

潤滑する
Meaning
to apply oil or grease to reduce friction between surfaces
Example
The mechanic lubricated the car engine parts.
整備士は車のエンジンパーツに潤滑油を塗布しました。
B2 adjective; verb (past and past participle) /lɜːrnd/

learned

博学な
Meaning
having acquired much knowledge through study; gained knowledge or skill through experience or teaching
Example
She is a learned scholar with deep knowledge of history.
彼女は歴史に詳しい博学な学者です。
C1 verb /luːt/

loot

略奪する
Meaning
to steal goods, typically during war, riot, or chaos
Example
The rioters looted several shops during the protest.
抗議の間に暴動者たちはいくつかの店を略奪した。
A2 adjective /loʊ/

low

低い
Meaning
Small in amount, degree, or position; not high.
Example
The river is at its lowest level in years.
その川は何年も最も低いレベルにあります。
C2 adjective /ˌlækəˈdeɪzɪkəl/

lackadaisical

怠惰または無関心
Meaning
lacking enthusiasm, energy, or determination; careless or lazy
Example
His lackadaisical attitude toward work annoyed his boss.
彼の怠惰な態度は、仕事に対する上司の不満を引き起こした。
C1 verb, noun /lɜːrtʃ/

lurch

Meaning
to make an abrupt, unsteady, or uncontrolled movement; a sudden movement or stagger
Example
The bus lurched forward as the driver hit the brakes.
B2 noun /ˈlænd.lɔːrd/

Landlord

家主
Meaning
a man who rents out land, a building, or accommodation; a male property owner
Example
The landlord agreed to fix the broken heating system before winter arrived.
家主は冬が来る前に壊れた暖房システムを修理することに同意しました。