Lax

Part of speech: noun (n.)

A looseness; diarrhea.

Part of speech: adjective (a.)

1. 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.

2. 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.

3. Having a looseness of the bowels; diarrheal.

Synonyms: Loose; slack; vague; unconfined; unrestrained; dissolute; licentious.