Synonyms and related words :
a rebours, against the grain, arsy-varsy, backwards, bottom side up, bottom up, by contraries, contra, contrarily, contrariously, contrariwise, conversely, head over heels, heels over head, in flat opposition, just the opposite, nay rather, on the contrary, oppositely, otherwise, over, per contra, quite the contrary, rather, to the contrary, topsy-turvy, tout au contraire, turned around, upside down, vice versa