/ Dictionary / Index U unlax: Meaning and Definition of Find definitions for: un•lax Pronunciation: (un-laks'), [key] — v.t., v.i. to relax; rest. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unlax (Thesaurus) unlawful unlay Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language