[adj] (grammar) syntactically establishing a relationship of contrast between sentences or elements of a sentence; "disjunctive conjunctions like `but', `or', or `though' serve a contrastive function"
[adj] strikingly different; tending to contrast; "contrasting (or contrastive) colors"
[adj] of words so related that one contrasts with the other; "`rich' and `hard-up' are contrastive terms"