Synonyms: damage, injure, spoil, harm, hurt, mutilate, vitiate, break
| Part of speech | verb |
|---|
| Indicative mood | |
|---|---|
| Present tense | Past tense |
| (I) impair | (I) impaired |
| (thou) impairest | (thou) impairedst |
| (he) impairs, impaireth | (he) impaired |
| (we) impair | (we) impaired |
| (you) impair | (you) impaired |
| (they) impair | (they) impaired |
| Subjunctive mood | |
| Present tense | Past tense |
| (I) impair | (I) impaired |
| (thou) impair | (thou) impaired |
| (he) impair | (he) impaired |
| (we) impair | (we) impaired |
| (you) impair | (you) impaired |
| (they) impair | (they) impaired |
| Imperative mood | |
| impair | |
| Participles | |
| Present participle | Past participle |
| impairing | impaired |
| Afrikaans | beskadig |
|---|---|
| Catalan | deteriorar; espatllar; fer malbé; perjudicar |
| Danish | beskadige |
| Dutch | bederven; beschadigen; havenen; stukmaken; toetakelen; kapotmaken |
| English (Old English) | wyrdan |
| Esperanto | difekti |
| Faeroese | oyðileggja; spilla |
| Finnish | pilata |
| French | abîmer; détériorer |
| German | beeinträchtigen |
| Hungarian | rongál; megrongál |
| Italian | danneggiare |
| Portuguese | arruinar; avariar; danificar; deteriorar; estragar |
| Saterland Frisian | beschäädigje; ferdierwe; beseerje; beskäädigje |
| Spanish | echar a perder; estropear |
| West Frisian | skansearje; bedjerre; skeine |