Adjective: ad-lib ad lib
- With little or no preparation or forethought
"his ad-lib comments showed poor judgment";
- extemporaneous, extemporary, extempore, impromptu, offhand, offhanded, off-the-cuff, unrehearsed
- Said or done without having been planned or written in advance
"he made a few ad-lib remarks";
- spontaneous, unwritten
- Remark made spontaneously without prior preparation
"his ad-libs got him in trouble with the politicians"
- Perform without preparation
"he ad-libbed a speech at the wedding";
- improvise, improvize [non-standard], extemporize, extemporise [Brit], wing [informal], wing it [informal]
- Without advance preparation
"he spoke ad lib";
- ad libitum, spontaneously, impromptu
Derived forms: ad-libbed, ad-libbing, ad-libs
See also: ill-prepared, unprepared, unscripted
Type of: comment, do, execute, input, perform, remark
Encyclopedia: Ad-lib
Ad lib