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ad-lib

ad·lib

ad-lib

 
pronunciation:
aed lIb
parts of speech:
verb, adjective
part of speech: verb
inflections: ad-libbed, ad-libbing, ad-libs
definition: to make up as one goes along; say or do something without practice or planning.
He didn't know he would have to give a speech, so he ad-libbed.In the middle of the play, I forgot my lines, so I ad-libbed.
 
part of speech: adjective
definition: made up or said without practice; not rehearsed.
I sang a funny ad-libbed song.
synonyms:
off the cuff
similar words:
free, impulsive, made-up, makeshift, offhand, spontaneous