滅びる (horobiru) conjugation
to be ruined, to perish, to be destroyed
滅びる (ほろびる, horobiru) is an ichidan verb. Ichidan verbs are the tidy ones: drop the final る and add the ending. Nothing inside the word ever changes. Every form below is tappable — hear it, then say it back.
Conjugation table
| Form | Plain (casual) | Polite (~ます) | When you use it |
|---|---|---|---|
| Dictionary / plain | 滅びる horobiru | 滅びます horobimasu | The form you look up. Also the casual present and future. |
| Plain negative | 滅びない horobinai | 滅びません horobimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 滅びた horobita | 滅びました horobimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 滅びなかった horobinakatta | 滅びませんでした horobimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 滅びて horobite | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 滅びている horobiteiru | 滅びています horobiteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 滅びたい horobitai | 滅びたいです horobitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 滅びよう horobiyou | 滅びましょう horobimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 滅びられる horobirareru | 滅びられます horobiraremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 滅びられる horobirareru | 滅びられます horobiraremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 滅びさせる horobisaseru | 滅びさせます horobisasemasu | Make or let someone do it. |
| Causative-passive | 滅びさせられる horobisaserareru | 滅びさせられます horobisaseraremasu | Be made to do it — the long one. |
| Imperative | 滅びろ horobiro | 滅びてください horobitekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 滅びるな horobiruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 滅びれば horobireba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 滅びたら horobitara | — | “if / when ~”. The everyday conditional. |
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Why it conjugates this way
Ichidan verbs are the tidy ones: drop the final る and add the ending. Nothing inside the word ever changes.
See the full rules on the verb conjugation guide.