/ Thesaurus / C Synonyms of crooning Find synonyms for: Noun1. crooning, singing, vocalizingusage: singing in a soft low tone; "her crooning soon put the child to sleep"2. crooning, singing, vocalizingusage: the act of singing popular songs in a sentimental mannerVerb1. croon, singusage: sing softlyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language