Synonyms: double, duplicate
| Part of speech | verb |
|---|
| Indicative mood | |
|---|---|
| Present tense | Past tense |
| (I) redouble | (I) redoubled |
| (thou) redoublest | (thou) redoubledst |
| (he) redoubles, redoubleth | (he) redoubled |
| (we) redouble | (we) redoubled |
| (you) redouble | (you) redoubled |
| (they) redouble | (they) redoubled |
| Subjunctive mood | |
| Present tense | Past tense |
| (I) redouble | (I) redoubled |
| (thou) redouble | (thou) redoubled |
| (he) redouble | (he) redoubled |
| (we) redouble | (we) redoubled |
| (you) redouble | (you) redoubled |
| (they) redouble | (they) redoubled |
| Imperative mood | |
| redouble | |
| Participles | |
| Present participle | Past participle |
| redoubling | redoubled |
| Danish | fordoble |
|---|---|
| Dutch | verdubbelen |
| Esperanto | duobligi |
| French | redoubler |
| German | verdoppeln |
| Luxemburgish | verduebelen |
| Papiamento | dupliká; redupliká |
| Portuguese | dobrar |
| Saterland Frisian | ferdubbelje |
| Sranan | dobru |
| Swedish | dubblera; fördubbla |
| West Frisian | ferdûbelje |