I. (ˈ)adˈlib adverb
Etymology: modification of New Latin ad libitum
: in accordance with one's wishes
the skirt is … to be belted in ad lib — Lois Long
: without restraint or imposed limit
the animals were given water ad lib — Science
II. (ˈ) ̷ ̷ˈ ̷ ̷ noun
( plural ad libs )
Etymology: ad-lib (II)
: something ad-libbed
the entire program was an ad lib