怪しむ|あやしむayashimu[3]nakadaka (mid-high)
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- godan verb, transitive verbto suspect
Conjugation
| Dictionary form | 怪しむ(あやしむ) |
|---|---|
| Polite (masu) | 怪しみます(あやしみます) |
| Negative (nai) | 怪しまない(あやしまない) |
| polite (masen) | 怪しみません(あやしみません) |
| classical zu / nu | 怪しまず・怪しまぬ(あやしまず・あやしまぬ) |
| Past (ta) | 怪しんだ(あやしんだ) |
| polite (mashita) | 怪しみました(あやしみました) |
| Past negative (nakatta) | 怪しまなかった(あやしまなかった) |
| polite (masen deshita) | 怪しみませんでした(あやしみませんでした) |
| Te form | 怪しんで(あやしんで) |
| Potential | 怪しめる(あやしめる) |
| Passive | 怪しまれる(あやしまれる) |
| Causative | 怪しませる(あやしませる) |
| Causative passive | 怪しませられる・怪しまされる(あやしませられる・あやしまされる) |
| Conditional (ba) | 怪しめば(あやしめば) |
| tara | 怪しんだら(あやしんだら) |
| Volitional | 怪しもう(あやしもう) |
| polite (mashou) | 怪しみましょう(あやしみましょう) |
| Imperative | 怪しめ(あやしめ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym疑ううたがうNeutralThe most common word for doubting or distrusting; it can also target a possibility, as in 「病気を疑う」. 「怪しむ」 focuses on finding something suspicious or off.
- Synonym猜疑さいぎWrittenWritten-flavor noun for suspecting ulterior motives behind someone's words or deeds; often as 「猜疑心」. 「怪しむ」 is not limited to people.
- SynonymいぶかしむWrittenWritten-style word for feeling puzzled or suspicious; rarer than 「怪しむ」 and close to it in meaning, but leans more toward a sense of puzzlement.
- Synonym不審がるふしんがるNeutralMeans to show suspicion outwardly — 「がる」 marks an outward display — while 「怪しむ」 is about feeling inwardly that something is suspicious.
- Synonym勘ぐるかんぐるCasualColloquial for wildly guessing at someone's motives or hidden dealings, assuming the worst. 「怪しむ」 does not necessarily involve such malicious speculation.
- Related疑問視ぎもんしWrittenUsually as 「疑問視する」: to doubt the feasibility or truth of a plan or claim. Written style, common in news reports and commentary.
- Antonym信じるしんじるNeutralTo believe or trust, as in 「彼を信じる」 — the opposite of the suspicion and distrust of 「怪しむ」.
- Antonym疑わないNeutralThe negative of 「疑う」: to have no doubts at all, to believe firmly — the opposite of 「怪しむ」's suspicion.
For general doubting, use 「疑う」. Use 「怪しむ」 when something looks suspicious or off, as in 「誰も怪しまない」. For reading ill will into things, 「勘ぐる」; to believe, 「信じる」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


