contrastive

Adjective contrastive has 3 senses

• contrastive(s = adj.all) incompatible - of words so related that one contrasts with the other; "`rich' and `hard-up' are contrastive terms"
Derived form verb contrast₂

• contrastive(s = adj.all) contrasting - strikingly different; tending to contrast; "contrasting (or contrastive) colors"
Derived form verb contrast₂

• contrastive(s = adj.all) - syntactically establishing a relation of contrast between sentences or elements of a sentence; "disjunctive conjunctions like `but', `or', or `though' serve a contrastive function"