/ Dictionary / Index U unlay: Meaning and Definition of Find definitions for: un•lay Pronunciation: (un-lā'), [key] — -laid, -lay•ing. to separate (a strand) from a rope. to untwist (a rope) in order to separate its strands. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unlax unleaded Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language