Ad lib and On impulse

Ad lib

Ad lib adverb - Without advance preparation.

On impulse and ad lib are semantically related in extemporaneous topic. In some cases you can use "On impulse" instead an adjective phrase "Ad lib", when it comes to topics like unrehearsed, improvised.

On impulse

Definitions of Ad lib not found.

Ad lib and on impulse are semantically related in unrehearsed topic. Sometimes you can use "Ad lib" instead an adjective phrase "On impulse".
Cite this Source
On impulse and Ad lib. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/ad_lib/on_impulse
Ad lib & On impulse. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/ad_lib/on_impulse>.
On impulse or Ad lib. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/ad_lib/on_impulse.
Google Ngram Viewer shows how "ad lib" and "on impulse" have occurred on timeline