| Redouble 1. (v. t.) To double again or repeatedly; to increase by continued or repeated additions; to augment greatly; to multiply. 2. (v. i.) To become greatly or repeatedly increased; to be multiplied; to be greatly augmented; as, the noise redoubles. Thesaurus Entries accelerate, aggravate, beef up, blow up, come again, complicate, concentrate, condense, consolidate, copy, deepen, ditto, do a repeat, do again, do over, double, dupe, duplicate, echo, enhance, exacerbate, exaggerate, geminate, heat up, heighten, hop up, hot up, imitate, ingeminate, intensify, jazz up, key up, magnify, make complex, mount, multiply by two, parrot, plagiarize, quote, ramify, redo, reduplicate, reecho, regurgitate, reincarnate, reinforce, renew, repeat, replicate, reproduce, revive, rise, rouse, say again, sharpen, soup up, step up, strengthen, triple, twin, whet |