without speed (`slow' is sometimes used informally for `slowly'); "he spoke slowly"; "go easy here--the road is slippery"; "glaciers move tardily"; "please go slow so I can see the sights"
without question; "easily the best book she's written"
with ease (`easy' is sometimes used informally for `easily'); "she was easily excited"; "was easily confused"; "he won easily"; "this china breaks very easily"; "success came too easy"
casually thoughtless or inconsiderate; "an offhand manner"; "she treated most men with offhand contempt"
in a casually inconsiderate manner; "replied offhand, his mind a million miles away"; "she threw him over offhandedly without even a Dear-John letter"
without previous thought or preparation; "couldn't give the figures offhand"; "we decided offhand to go to Canada"; "she had made these remarks offhandedly"