offhandedly

adverbs

without previous thought or preparation
"couldn't give the figures offhand"; "we decided offhand to go to Canada"; "she had made these remarks offhandedly"
offhand, offhanded, offhandedly
is derived from
offhanded
in a casually inconsiderate manner
"replied offhand, his mind a million miles away"; "she threw him over offhandedly without even a Dear-John letter"
offhand, offhanded, offhandedly
is derived from
offhanded