- Not tense, firm, or rigid; loose; slack; as, a lax bandage; lax fiber. "The flesh of that sort of fish being lax and spongy." [Ray.]
- Not strict or stringent; not exact; loose; weak; vague; equivocal."The discipline was lax." [Macaulay.]"Society at that epoch was lenient, if not lax, in matters of the passions." [J. A. Symonds.]"The word “æternus” itself is sometimes of a lax signification." [Jortin.]
- Having a looseness of the bowels; diarrheal.synonyms: Loose; slack; vague; unconfined; unrestrained; dissolute; licentious.
Etymology: L. laxus Cf. Laches Languish Lease (v. t.) Leash