信じる|しんじるshinjiru[3]nakadaka (mid-high)
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- ichidan verb, transitive verbto believe; to believe in; to place trust in; to confide in; to have faith in
Conjugation
| Dictionary form | 信じる(しんじる) |
|---|---|
| Polite (masu) | 信じます(しんじます) |
| Negative (nai) | 信じない(しんじない) |
| polite (masen) | 信じません(しんじません) |
| classical zu / nu | 信じず・信じぬ(しんじず・しんじぬ) |
| Past (ta) | 信じた(しんじた) |
| polite (mashita) | 信じました(しんじました) |
| Past negative (nakatta) | 信じなかった(しんじなかった) |
| polite (masen deshita) | 信じませんでした(しんじませんでした) |
| Te form | 信じて(しんじて) |
| Potential | 信じられる(しんじられる) |
| Passive | 信じられる(しんじられる) |
| Causative | 信じさせる(しんじさせる) |
| Causative passive | 信じさせられる(しんじさせられる) |
| Conditional (ba) | 信じれば(しんじれば) |
| tara | 信じたら(しんじたら) |
| Volitional | 信じよう(しんじよう) |
| polite (mashou) | 信じましょう(しんじましょう) |
| Imperative | 信じろ(しんじろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym信ずるしんずるWrittenAn older form of 「信じる」 with the same meaning; still used in written and formal contexts.
- Related信じ込むしんじこむNeutralTo believe firmly, without any doubt (「嘘を本当だと信じ込む」); often carries the nuance that the belief is mistaken.
- Antonym疑ううたがうNeutralTo doubt or distrust; the direct opposite of 「信じる」.
Everyday believing and trusting is 「信じる」; in written or formal prose 「信ずる」 also serves. Use 「信じ込む」 for being firmly convinced, often of something untrue. The opposite is 「疑う」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


