/ Dictionary / Index Y yammer: Meaning and Definition of Find definitions for: yam•mer Pronunciation: (yam'ur), [key] — Informal. Informal. —v.i. to whine or complain. to make an outcry or clamor. to talk loudly and persistently. —v.t. to utter clamorously, persistently, or in complaint: They yammered their complaints until she let them see the movie. —n. the act or noise of yammering. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yammer (Thesaurus) yamim tovim* Yamoussoukro Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language