潤う (uruou) conjugation
to be moist; to profit by
潤う (うるおう, uruou) is a godan verb. Godan verbs change their final kana up and down its column of the kana chart — the a-row for negatives, the i-row before ます, the e-row for potential and ば. 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 | 潤う uruou | 潤います uruoimasu | The form you look up. Also the casual present and future. |
| Plain negative | 潤わない uruowanai | 潤いません uruoimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 潤った uruotta | 潤いました uruoimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 潤わなかった uruowanakatta | 潤いませんでした uruoimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 潤って uruotte | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 潤っている uruotteiru | 潤っています uruotteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 潤いたい uruoitai | 潤いたいです uruoitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 潤おう uruoou | 潤いましょう uruoimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 潤える uruoeru | 潤えます uruoemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 潤われる uruowareru | 潤われます uruowaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 潤わせる uruowaseru | 潤わせます uruowasemasu | Make or let someone do it. |
| Causative-passive | 潤わされる uruowasareru | 潤わされます uruowasaremasu | Be made to do it — the long one. |
| Imperative | 潤え uruoe | 潤ってください uruottekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 潤うな uruouna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 潤えば uruoeba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 潤ったら uruottara | — | “if / when ~”. The everyday conditional. |
🔊 Tap any Japanese word to hear it spoken.
Why it conjugates this way
Godan verbs change their final kana up and down its column of the kana chart — the a-row for negatives, the i-row before ます, the e-row for potential and ば.
See the full rules on the verb conjugation guide.