Breadcrumb Home > Thesaurus > H Synonyms of heterozygous Find synonyms for: Adjective1. heterozygous (vs. homozygous)usage: having dissimilar alleles at corresponding chromosomal loci; "heterozygous for eye color"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of heterozygous (Dictionary) ✖ Related Content Daily Word Quiz: guilloche Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language