入る・這入る|はいるhairu[1]atamadaka (head-high)
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- godan verb, intransitive verbto enter; to come in; to go in; to get in; to arrive
- godan verb, intransitive verbto join (a club, company, etc.); to enter (a university, the army, etc.); to enroll (in); to go into (e.g. politics); to get into
- godan verb, intransitive verbto be contained (in); to be included (in); to be inside (e.g. a box); to come under (a heading); to belong (in a category)
- godan verb, intransitive verbto (be able to) fit (in a container, building, etc.); to be (able to be) held; to be (able to be) accommodated
- godan verb, intransitive verbto be introduced; to be brought in; to be installed
- godan verb, intransitive verbto be received; to be obtained
- godan verb, intransitive verbto be scored (of points); to be won (of votes)
- godan verb, intransitive verbto turn on; to start functioning; to start working
- godan verb, intransitive verbto enter (a month, season, etc.); to reach (e.g. a climax); to get to (e.g. the main topic); to enter into (e.g. negotiations); to start (doing); to begin
- godan verb, intransitive verbto form (of a crack, fissure, etc.); to develop
- godan verb, intransitive verbto be put in (of effort, spirit, feeling, etc.); to be applied (e.g. of strength)
- godan verb, intransitive verbto be ready (of tea, coffee, etc.); to be made
- godan verb, intransitive verbto enter the body (of alcohol); to become drunk
Conjugation
| Dictionary form | 入る(はいる) |
|---|---|
| Polite (masu) | 入ります(はいります) |
| Negative (nai) | 入らない(はいらない) |
| polite (masen) | 入りません(はいりません) |
| classical zu / nu | 入らず・入らぬ(はいらず・はいらぬ) |
| Past (ta) | 入った(はいった) |
| polite (mashita) | 入りました(はいりました) |
| Past negative (nakatta) | 入らなかった(はいらなかった) |
| polite (masen deshita) | 入りませんでした(はいりませんでした) |
| Te form | 入って(はいって) |
| Potential | 入れる(はいれる) |
| Passive | 入られる(はいられる) |
| Causative | 入らせる(はいらせる) |
| Causative passive | 入らせられる・入らされる(はいらせられる・はいらされる) |
| Conditional (ba) | 入れば(はいれば) |
| tara | 入ったら(はいったら) |
| Volitional | 入ろう(はいろう) |
| polite (mashou) | 入りましょう(はいりましょう) |
| Imperative | 入れ(はいれ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
- Synonym入り込むはいりこむNeutralGoes deep inside or squeezes into narrow, off-limits spots, as in 「隙間に入り込む」; implies going further in than 「入る」.
- Synonym立ち入るたちいるNeutralEntering an area, often in prohibitions such as 「立ち入り禁止」; also used for meddling in other people's private affairs.
- Antonym出るでるNeutralThe opposite of 「入る」: moving from inside to outside.
For entering, 「入る」 is the default. Use 「入り込む」 for going deep in or squeezing into tight spots, and 「立ち入る」 for entering restricted areas or meddling in private affairs.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


