Synonyms for On the contrary:

adv

•differently (adverb)
contrarily.
•vice versa (adverb)
contrariwise.

adv.

•all (adverb)
contrarily, contrariwise, to the contrary.
•differently (adverb)
contrarily.
•vice versa (adverb)
contrariwise.

n.

•on the contrary (noun)
contrarily, contrariwise, to the contrary.

Other synonyms:

•Other relevant words:
contrarily.