offhandedly
(adverb)
adverb
1. without previous thought or preparation
- couldn't give the figures offhand
- we decided offhand to go to Canada
- she had made these remarks offhandedly
Similar word(s): offhand, offhanded
2. in a casually inconsiderate manner
- replied offhand, his mind a million miles away
- she threw him over offhandedly without even a Dear-John letter