/ Thesaurus / W Synonyms of weak kneed Find synonyms for: Adjective1. weak-kneed, irresolute (vs. resolute)usage: lacking will power or resolution; "the role of the dissenter is not for the weak-kneed"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language