ad-lib

ad–lib

verb

Definition of AD-LIB

to perform, make, or do without preparation <had to ad-lib constructing a piñata because she'd never actually seen it being done>

Synonyms ad-lib, clap (together or up), extemporize, fake

Related Words concoct, contrive, cook (up), devise, fabricate, hatch, invent, make up, manufacture, think (up); cobble (together or up), dash (off)

Near Antonyms arrange, lay, prepare, ready; consider, contemplate, ponder, study; exercise, practice (also practise), rehearse