Source : Webster's Revised Unabridged Dictionary (1913)

Contrariwise \Con"tra*ri*wise\ (? or ?), adv.
   1. On the contrary; oppositely; on the other hand.

            Not rendering evil for evil, or railing for railing;
            but contrariwise, blessing.           --1 Pet. iii.
                                                  9.

   2. In a contrary order; conversely.

            Everything that acts upon the fluids must, at the
            same time, act upon the solids, and contrariwise.
                                                  --Arbuthnot.

Source : WordNet®

contrariwise
     adv 1: in a contrary disobedient manner [syn: {perversely}, {contrarily}]
     2: with the order reversed; "she hates him and vice versa"
        [syn: {vice versa}, {the other way around}]
     3: contrary to expectations; "he didn't stay home; on the
        contrary, he went out with his friends" [syn: {contrarily},
         {to the contrary}, {on the contrary}]