without previous thought or preparation; "couldn't give
the figures offhand"; "we decided offhand to go to Canada"; "she had made these remarks offhandedly" Synonym(s):offhand, offhanded, 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" Synonym(s):offhand, offhanded, offhandedly