decrease

/dɪˈkriːs/

意味: 減少

例文: Fluffin’s sparkle decreased in the rain.
　　  フラッフィンの輝きは雨で減った。

言葉のよくある組み合わせ: decrease in(減少する), decrease by(減少する), decrease rate(減少率)

定義: 量や数が少なくなること、または減らすことを指します。何かが減少する場合、その大きさや数が小さくなることを意味します。

decreaseは約70,000語に1回程度の頻出度です。

口語性、形式性、抽象度、感情度

水平グラフ: 会話での使われやすさ、フォーマル度、抽象度（具体・概念）、感情度を示します。数値が高いほど、その特徴が強いことを表します。

感情分析

レーダーチャート: 怒り、期待、嫌悪、恐れ、喜び、悲しみ、驚き、信頼、ポジティブ、ネガティブの強さを示します。

　年代別単語頻度グラフ

このグラフは、1900年からの単語出現頻度の推移を示しています。値は ×10⁻⁸ スケールで表示されています。

　

Definitions(定義)

Noun: a change downward
Noun: a process of becoming smaller or shorter
Noun: the amount by which something decreases
Noun: the act of decreasing or reducing something
Verb: decrease in size, extent, or range
Verb: make smaller

Parts of Speech(品詞)

Noun, Verb

Examples(例文)

感情分析に使用された例文：

We need to decrease the budget for this project.(このプロジェクトの予算を減らす必要があります。)
The company plans to decrease its carbon emissions next year.(会社は来年、炭素排出量を減らす計画です。)
Exercise can decrease stress and improve mental health.(運動はストレスを減らし、心の健康を改善します。)

 

Word Netから抽出した例文：

Noun: there was a decrease in his temperature as the fever subsided
Noun: there was a sharp drop-off in sales
Verb: The amount of homework decreased towards the end of the semester
Verb: The cabin pressure fell dramatically
Verb: her weight fell to under a hundred pounds
Verb: his voice fell to a whisper
Verb: He decreased his staff

Synonyms/Antonyms(類語/反意語)

Synonyms(類語): decrease, decrement, diminish, diminution, drop-off, fall, lessen, lessening, minify, reduction, step-down

Antonyms(反意語): increase, increment

Hypernyms/Hyponyms(上位語/下位語)

Hypernyms (General categories)(上位語): amount, change, change magnitude, change of magnitude, process

Coordinate Terms(同じ上位語をもつもの): accelerate, acceleration, acerbate, acetylate, achromatize, activate, adjust, affect, age, alchemize, alcoholize, alkalinize, allegorize, alter, americanize, angulate, animize, antiquate, antique, archaize, arterialize, ash, assimilate, automatize, avulsion, awaken, barb, barbarize, bestialize, better, birth, blind, blister, blunt, blur, boil, break, break down, brighten, bring, brutalize, bubble, calcify, camp, capture, cause to sleep, centralize, change intensity, change taste, charge, chasten, check, chelation, circularize, civilize, clarify, classicize, clean, clear, clot, cloud, coarsen, cohere, color, commercialize, communize, commute, complicate, condense, confuse, constitutionalize, contaminate, conventionalize, conversion, convert, cook, cool, corrupt, counterchange, crack, critical mass, cry, customize, damage, darken, de-emphasize, deaden, dealignment, deaminate, death, decarboxylate, decelerate, deceleration, decentralize, decimalize, decorate, decrease, decrepitate, deflate, deform, deformation, degeneration, dehydrogenate, demagnetize, demist, democratize, demonize, demulsify, demythologize, denationalize, denaturalize, denature, deodorize, depersonalize, depolarize, desensitize, destabilization, destabilize, detransitivize, devalue, develop, development, devilize, digitize, dinge, dirty, disable, discolor, disharmonize, disintegrate, disorder, disqualify, dissimilate, dissolve, diversify, dizzy, domesticate, dope, draw, dry, dull, dynamize, ease up, easing, economic process, edit, embrittle, empty, emulsify, enable, encapsulation, end, equal, eroticize, estrange, etherealize, etiolate, europeanize, evaporate, even, excite, execution, extend, exteriorize, fatten, feminize, fertilize, fill, fix, flatten, flocculate, freeze, frenchify, full, gelatinize, glamorize, glorify, habituate, harmonize, harshen, heat, hue, human process, humanize, humble, hydrogenate, immaterialize, immortalize, inactivate, incandesce, increase, indispose, industrial process, industrialize, inflate, inform, inseminate, insufficiency, insulate, intensify, internationalize, introvert, invalidate, invert, iodinate, ionate, irreversible process, islamize, isomerize, iteration, laicize, legitimate, lend, liberalize, lifehack, lift, liquefy, loosen, loss of consciousness, louden, lower, lubricate, magnetize, make, margin, mark, masculinize, mechanize, militarize, mince, mix, morph, muddy, mutation, mythologize, nationalize, natural process, naturalize, nazify, negativity, neutralize, nick, normalize, number, obfuscate, obscure, occidentalize, officialize, opacify, opalize, operation, opsonize, organic process, orientalize, ossify, outmode, oxidize, oxygenize, paganize, pall, parallel, patent, personalize, phenomenon, photography, piggyback, plasticize, poison, polarize, politicize, port, positivity, processing, professionalize, proof, prostrate, purify, put, quantity, radicalize, rarefy, rationalize, recombine, recommend, reconstruct, refine, reflate, reform, refresh, relax, remodel, restore, reversible process, revolution, revolutionize, right, ripen, romanticize, round off, rusticate, sanitize, saponify, saturate, sauce, schematize, scramble, sensitization, sensitize, sentimentalize, separation, set, sex change, sexualize, shade, shake, shallow, shape, shaping, sharpen, shift, shimmer, shorten, simplify, size, slenderize, smallness, smut, sober, socialize, soften, solemnize, solvate, spice, spike, sputter, stabilize, stain, steepen, stiffen, still, straighten, strengthen, string, sublimation, substitute, suburbanize, supercharge, supple, surprise, suspend, sweeten, switch, symmetrize, synchronize, tame, tender, tense, territorialize, thicken, think, tighten, tone down, touch, transaminate, transfigure, transform, transformation, transition, transitivize, translate, transmutation, transmute, transpose, turn, turn back, twinkle, uglify, unclutter, uniformize, unite, unsanctify, unscramble, unsex, untie, untune, urbanize, vagary, validate, variation, variegate, vascularize, ventilate, verbify, vesiculate, visualize, vitalize, vitrify, vivify, volatilize, vulgarise, warm, weaken, weaponize, wet, widen, worsen

Hyponyms (Specific examples)(下位語): abate, abridge, amortization, attrition, boil down, break, casualty, contraction, cut, cutback, de-escalate, de-escalation, decay, decelerate, declassification, decline, decrescendo, deflate, deflation, depletion, depreciate, depreciation, desensitization, devaluation, devitalization, diminish, discount, drop, drop off, dwindle, dwindling, ease up, easing, extenuation, limit, lowering, minimization, minimize, mitigate, moderation, narrowing, pare, reduce, remit, reverse split, rollback, shorten, shortening, shrink, shrinkage, shrinking, shrivel, sinking, slack, slake, slippage, subtraction, suppress, taper, tax credit, tax shelter, thin out, turn down, vanish, wane, waning, wastage, weaken, weakening

Derivationally Related Words(派生語)

Derivationally Related Words: decrease, diminution, drop off, fall, reduce, step down

Categories(カテゴリー)

Domain Categories: general

Usage Category: common

Usage Context: descriptive

Grammatical Notes:
transitive verb
countable noun

Prefixes/Suffixes(接頭辞/接尾辞)

Prefixes(接頭辞): de

Suffixes(接尾辞):

Exam Level

大学受験レベル

英検準2級

Media Appearance(メディア登場例)

Books(洋書): Atomic Habits

Movies(映画):

Other Information(その他)

Is Abstract?(抽象的な言葉?) Yes

Is Emotion Word?(感情的な言葉?) Yes

Emotion Categories: negative