verb \ˈad-ˈlib\

: to make up words or music in a performance instead of saying or playing something that has been planned


Full Definition of AD-LIB

transitive verb
:  to deliver spontaneously
intransitive verb
:  to improvise especially lines or a speech
ad–lib noun

Origin of AD-LIB

ad lib
First Known Use: 1919




adjective \(ˈ)ad-ˈlib\   (Medical Dictionary)

Medical Definition of AD–LIB

: made or done spontaneously : not controlled by a schedule <ad–lib feeding of animals>


Next Word in the Dictionary: ad lib
Previous Word in the Dictionary: adless
All Words Near: ad-lib

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