信用できない
解説 Definition
discredited は、誤り・不正・弱点などが明らかになり、信用できないと見なされている人や説、情報源などを表す形容詞です。discredit（信用を失わせる）の過去形・過去分詞でもあります。
Discredited describes a person, claim, theory, or source that is no longer considered trustworthy or respectable because its errors, dishonesty, or weaknesses have been exposed. It is also the past tense and past participle of discredit.
使い方 Usage
使い分け Common distinctions
- unknown「知られていない」や doubtful「疑わしい」と違い、すでに信用を失った理由があることを示します。 Unlike unknown or doubtful, discredited suggests that there is already a reason the person or idea has lost credibility.
覚え方のコツ Memory Tip
dis-＋ credit「信用」で「信用が取り去られた」と連想しましょう。discredit に -ed を付けた形で、語末が /t/ なので -ed は /ɪd/ と発音します。
Connect credit with trust or reputation and dis- with removing that credit. Discredited is discredit plus -ed. Since discredit ends in /t/, the -ed ending is pronounced /ɪd/.
例文
The article relied on a discredited report.
その記事は信用できない報告書に基づいていました。
A discredited theory should not be taught as fact.
信用できない理論を事実として教えるべきではありません。
discredited の類義語・関連語
discredited の語源・成り立ち Etymology
discredited は dis-「反対に」+ credit「信用」+ -ed で、「信用を外された」が語の形です。credit はラテン語 credere「信じる」に由来し、credible や creed も同じ「信じる」の根から来ています。
Discredited is formed from discredit and the suffix -ed. Discredit combines dis-, indicating removal or reversal, with credit, “trust, belief, or reputation.” Credit ultimately derives from Latin credere, “to believe or entrust,” through Latin creditum and French. Words such as credible and creed share the same broader root. Thus, something discredited has had the belief or trust formerly attached to it taken away.
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