Breadcrumb Home > Thesaurus > P Synonyms of pinworm Find synonyms for: Noun1. pinworm, threadworm, Enterobius vermicularis, nematode, nematode worm, roundwormusage: small threadlike worm infesting human intestines and rectum especially in childrenWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of pinworm (Dictionary) ✖ Related Content Daily Word Quiz: acronym Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language