ad hoc, extemporaneous, extemporary, extempore, impromptu, improvisational, improvised, off-the-cuff, offhand, offhanded, snap, spur-of-the-moment, unconsidered, unplanned, unpremeditated, unprepared, unrehearsed, unstudied;
Recent Examples of ad lib from the Web
The song features the trio’s usual choppy, ad lib-heavy flow, but paired with a refreshingly melodic, video game-sounding trap beat, complete with a synth crooning quietly in the back.
Trump's ad lib diplomacy may be partly in response to that dearth of good information.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ad lib.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
AD-LIB Defined for English Language Learners
Definition of ad-lib for English Language Learners
: to make up words or music in a performance instead of saying or playing something that has been planned
AD-LIB Defined for Kids
medical Definition of ad lib
- the animals were given water ad lib
Seen and Heard
What made you want to look up ad-lib? Please tell us where you read or heard it (including the quote, if possible).