/ Dictionary / Index Q quieten: Meaning and Definition of Find definitions for: qui•et•en Pronunciation: (kwī'i-tn), [key] — Chiefly Brit. Chiefly Brit. —v.i. to become quiet (often fol. by down). —v.t. to make quiet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quieten (Thesaurus) quiet quietism Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language