The definition of ad lib refers to something that is made up as one goes along, or that is unscripted.
(noun)An example of an ad lib is an improv performance where the actors take audience suggestions and create a play as they go along.
Ad lib is defined as making something up as you go along.
(verb)An example of ad lib is coming up with a lie on the spot to avoid getting into trouble.
See ad-lib in Webster's New World College Dictionary
☆
transitive verb, intransitive verb ad-libbed, ad-libbing
Origin: < ad libitum
noun
adjective
adverb
See ad-lib in American Heritage Dictionary 4
adverb
Origin:
Origin: Short for ad libitum
.verb ad-libbed ad-libbed, ad-lib·bing, ad-libs verb, transitive
Related Forms:
Learn more about ad-lib