adverb without previous thought or preparation.
— synonyms: offhanded, offhandedly
adverb in a casually inconsiderate manner.
— synonyms: offhanded, offhandedly
adjective with little or no preparation or forethought.
— synonyms: ad-lib, extemporaneous, extemporary, extempore, impromptu, offhanded, off-the-cuff, unrehearsed
adjective casually thoughtless or inconsiderate.
— synonyms: offhanded
Examples
“She gave an offhand speech.”
“He doesn't realise how hurtful his offhand remarks can be.”