with little or no preparation or forethought;
"his ad-lib comments showed poor judgment"
"an extemporaneous piano recital"
"an extemporary lecture"
"an extempore skit"
"an impromptu speech"
"trying to sound offhanded and reassuring"
"an off-the-cuff toast"
"a few unrehearsed comments"
casually thoughtless or inconsiderate;
"an offhand manner"
"she treated most men with offhand contempt"
without previous thought or preparation;
"couldn't give the figures offhand"
"we decided offhand to go to Canada"
"she had made these remarks offhandedly"
in a casually inconsiderate manner;
"replied offhand, his mind a million miles away"
"she threw him over offhandedly without even a Dear-John letter"
- I can't say offhand how much money I earn.
- Offhand I can't quote you an exact price.
- He was rather offhand with me.
- I don't like his offhand manner.