5 letters · 12 points in Scrabble
adjective lacking in rigor or strictness
adjective pronounced with muscles of the tongue and jaw relatively relaxed (e.g., the vowel sound in `bet')
adjective lacking in strength or firmness or resilience
originEtymology tree English lax English -er English laxer From lax + -er.
Etymology from Wiktionary, CC BY-SA 3.0