/ Thesaurus / I Synonyms of intraspecific Find synonyms for: Adjective1. intraspecies (vs. interspecies), intraspecificusage: arising or occurring within a species; involving the members of one species; "intraspecific competition"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language