/ Dictionary / Index L louden: Meaning and Definition of Find definitions for: loud•en Pronunciation: (loud'n), [key] — v.t., v.i. to make or become loud. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: louden (Thesaurus) loud loudish 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