/ Thesaurus / I Synonyms of in bounds Find synonyms for: Adjective1. in-bounds, fair (vs. foul)usage: between the first and third base linesWordNet 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