What does "lax" mean?

Lax: 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.

Additional senses

  1. 2.Having a looseness of the bowels; diarrheal.
  2. 3.A looseness; diarrhea.

Sources