/ Thesaurus / B Synonyms of borderline intelligence Find synonyms for: Noun1. borderline intelligence, intelligence quotient, IQ, I.Q.usage: the minimal IQ required for someone to function normally and independently in the world (without some form of institutional assistance)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language