1.lacking in rigor or strictness;
such lax and slipshod ways are no longer acceptable
2.pronounced with muscles relatively relaxed (e.g., the vowel sound in `bet')
3.not taut or rigid; not stretched or held tight;
a lax rope
4.lacking in strength or firmness or resilience;
flaccid muscles
5.tolerant or lenient;
indulgent parents risk spoiling their children
6.emptying easily or excessively;
loose bowels