/ Dictionary / Index L laxative: Meaning and Definition of Find definitions for: lax•a•tive Pronunciation: (lak'su-tiv), [key] — n. a medicine or agent for relieving constipation. —adj. of, pertaining to, or constituting a laxative; purgative. (of the bowels) subject to looseness. (of a disease) characterized by looseness of the bowels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: laxative (Thesaurus) laxation laxity 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