contrary
adj
1 adverse, antagonistic, clashing, contradictory, counter, discordant, hostile, inconsistent, inimical, opposed, opposite, paradoxical
2 awkward, balky, cantankerous, cussed (informal) difficult, disobliging, froward (archaic) intractable, obstinate, perverse, stroppy (Brit. slang) thrawn (Northern English dialect) unaccommodating, wayward, wilful
n
3 antithesis, converse, opposite, reverse
4 on the contrary conversely, in contrast, not at all, on the other hand, quite the opposite or reverse
Antonyms
1 accordant, congruous, consistent, harmonious, in agreement, parallel, unopposed
2 accommodating, agreeable, amiable, cooperative, eager to please, helpful, obliging, tractable, willing