Breadcrumb Home > Thesaurus > P Synonyms of peephole Find synonyms for: Noun1. peephole, spyhole, eyehole, holeusage: a hole (in a door or an oven etc) through which you can peepWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of peephole (Dictionary) ✖ Related Content Daily Word Quiz: tautology Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language