1. Lacking in rigour or strictness
   "such lax and slipshod ways are no longer acceptable"; "lax in attending classes";
   - slack
    
2. Lacking in firmness or tension; not taut
   "a lax rope"
    
3. Emptying easily or excessively
   "lax bowels";
   - loose
    
4. (phonetics) pronounced with muscles of the tongue and jaw relatively relaxed (e.g., the vowel sound in 'bet')
   "The lax vowel in 'put' is different from the tense vowel in 'boot'"

Sounds like: lawn, l, lax, lacks

Derived forms: laxest, laxer

See also: drooping, droopy, floppy, limp, loose, loose-jointed, negligent, regular, sagging, slack, tensionless, unconstipated, wilted

Antonym: tense

Encyclopedia: Lax, Robert