Definitions:

1. casually thoughtless or inconsiderate adjective
   • an offhand manner
2. in a casually inconsiderate manner adverb
   • I replied in an offhand tone when my mother asked me if I had already made my bed.
3. without previous thought or preparation adverb
   • couldn't give the figures offhand

Synonyms:

• impromptu
• offhanded
• offhandedly

NearBy Words:

• offhanded
• offhandedly