1. ad lib - Noun
2. ad lib - Adjective
3. ad lib - Verb
4. ad lib - Adverb
5. ad lib - Adjective Satellite
without advance preparation
remark made spontaneously without prior preparation
perform without preparation
with little or no preparation or forethought
said or done without having been planned or written in advance
Source: WordNetad-lib
You have to grab moments when they happen. I like to improvise and ad lib. Denzel Washington
Each jazz musician when he takes a horn in his hand - trumpet, bass, saxophone, drums - whatever instrument he plays - each soloist, that is, when he begins to ad lib on a given composition with a title and improvise a new creative melody, this man is taking the place of a composer. Charles Mingus
No one could ad lib like Peter. You would think that it was all scripted, he was so poetic, but it wasn't. Barbara Walters
In the year and a half I was on SNL, I never saw anybody ad lib anything. For a very good reason - the director cut according to the script. So, if you ad libbed, you'd be off mike and off camera. Harry Shearer
I ad lib. I've gotta bring my own into it. Terrence Howard
Legal dialogue is awesome, but you can't ad lib. It's much more fun to be looser and say things like, 'Can I work in a Han Solo reference?' I'm a 'Star Wars' freak. Diane Neal