ad–lib

made or done without previous thought or preparation not bad for an ad-lib comedy routine Synonyms of ad–lib ad hoc, ad-lib, down and dirty, extemporary, extempore, impromptu, improvisational, improvised, offhand, offhanded, off-the-cuff, snap, spur-of-the-moment, unconsidered, unplanned, unpremeditated, unprepared, unrehearsed, unstudiedWords Related to ad–lib unscripted; automatic, impulsive, instinctive, involuntary, spontaneous; casual, cursive, informal, unauthorized; half-baked, half-cocked, ill-advisedNear Antonyms of ad–lib deliberate, intended, intentionalAntonyms of ad–lib considered, planned, premeditated, premeditative, prepared, rehearsed

something that is performed, made, or done without preparation you would never suspect that that stirring speech was an ad-lib Synonyms of ad–lib ad-lib, extemporization, impromptu, improvWords Related to ad–lib concoction, contrivance, creation, innovation, invention, wrinkleNear Antonyms of ad–lib bit, drill, routine

to perform, make, or do without preparation had to ad-lib constructing a piñata because she'd never actually seen it being done Synonyms of ad–lib ad-lib, clap (together or up), extemporize, fakeWords Related to ad–lib concoct, contrive, cook (up), devise, fabricate, hatch, invent, make up, manufacture, think (up); cobble (together or up), dash (off)Near Antonyms of ad–lib arrange, lay, prepare, ready; consider, contemplate, ponder, study; exercise, practice (also practise), rehearse