/ Dictionary / Index L low-key: Meaning and Definition of Find definitions for: low-key Pronunciation: (lō'kē'), [key] — adj., v., -keyed, -key•ing. —adj. —v.t. to make or attempt to make low-key: to low-key the arms buildup. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: low-key (Thesaurus) Lowitz arc lowland Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language