| Complementary 1. (a.) Serving to fill out or to complete; as, complementary numbers. 2. (n.) One skilled in compliments. Thesaurus Entries analogous, answering, coequal, complemental, completing, completive, completory, consummative, consummatory, correspondent, corresponding, culminative, equipollent, equivalent, filling, fulfilling, homologous, perfective, reciprocal, reciprocative, tantamount |