consistency
consistency は英検準1級レベルの英単語で、「一貫性、硬さ、濃度、粘度」という意味があります。発音記号は /kənˈsɪstənsiː/ です。
意味一覧 (2件)
一貫性
解説 Definition
同じ原則や方法に従い、矛盾しないことです。異なる時期や場面でも変わらずに一定を保つ性質です。
Consistency is the quality of staying the same in standard, behavior, or result over time. It is often used when talking about work, performance, taste, or opinions. A person or thing with consistency is reliable and does not change in an unexpected way.
覚え方のコツ Memory Tip
consistency は「変わらず同じ状態を保つ性質」を表す名詞として覚えると、一貫性の意味につながります。consistent（一貫した・矛盾しない）に -cy が付いた名詞形で、maintain consistency, lack consistency, consistency between A and B のように、行動・品質・説明・方針が場面によってぶれないことを言います。これは物質の「濃度、硬さ」とは別の抽象的な意味です。
Link it to the adjective "consistent." "Consistency" is the quality of being consistent, and the ending "-cy" often turns an adjective into a noun. Common pairs like "maintain consistency" and "lack consistency" help fix the word in memory.
例文
Her consistency in effort made her successful in the competition.
継続して努力した彼女の姿勢が大会での成功につながりました。
The team appreciates the consistency of his work quality.
チームは彼の仕事の質が一貫していることを高く評価しています。
Consistency between words and actions is important for building trust.
言葉と行動の一貫性は信頼を築くのに重要です。
硬さ、濃度、粘度
(意味 2)解説 Definition
食べ物、液体、クリームなどの、どれくらい固いか・濃いか・ねばりがあるかを表す名詞です。料理や化粧品、材料の状態を説明するときによく使われ、見た目や手ざわり、流れやすさに注目する語です。
Consistency is a noun that describes how thick, firm, or sticky something is, especially food, liquids, creams, or similar materials. It is used when talking about texture, how easily something flows, and how it feels or looks. People often use this word to compare whether a sauce is too thin, a cream is too thick, or a mixture has the right texture.
覚え方のコツ Memory Tip
consistent（一貫した）が先に入っていると、その名詞形が consistency だとつながります。語尾の -cy / -ency は「性質・状態」を表すことが多いので、「consistent である性質」= 一貫性、と押さえると整理しやすいです。よく見るのは maintain consistency, lack consistency の形で、行動・説明・品質が場面ごとにぶれないかを言う語。coherence は文章や話のつながり、consistency は判断基準や内容が同じまま保たれる感じ、と分けると混同しにくいです。
If you already know consistent, it is easy to connect it to the noun consistency. The ending -cy or -ency often shows a quality or state, so consistency can be remembered as "the state of being consistent." You will often see phrases like maintain consistency or lack consistency when talking about actions, explanations, or quality that do not change from one situation to another. Coherence is more about how ideas connect, while consistency is about staying the same in standard or content.
例文
This soup has a smooth consistency that is easy to drink.
このスープはなめらかな濃度で、飲みやすいです。
Add a little more water if the consistency of the paint is too thick.
塗料の粘度が高すぎるなら、水を少し足してください。
The cream should have a light consistency, not a heavy one.
そのクリームは重たい状態ではなく、軽い感触の硬さであるべきです。
consistency の語源・成り立ち Etymology
ラテン語 consistere（con-「共に」+ sistere「立つ」）が起源で、「しっかり立ち続ける」が原義。同じ語根を持つ exist（外に立つ→存在する）や resist（against+立つ→抵抗する）と同族。一貫して同じ状態で「立ち続ける」ことから「一貫性」の意味になった。
"Consistency" comes from Latin "consistere," made from "con-" meaning "together" and "sistere" meaning "to stand." Its basic idea was standing firm or staying in the same state. That sense later became the modern idea of being steady and not changing. It is related to words like "exist" and "resist," which share the same root about standing.
外部辞書で調べる
この単語を英単語クイズで覚えよう