lax
Cross references: 1. negligent lax \'laks\ \lak-'sa--sh*n\ aj [ME, fr. L laxus loose - more at SLACK] of the bowels 1a: LOOSE, OPEN 1b: having loose bowels 2: not strict or stringent 3a: not tense, firm, or rigid : SLACK 3b: having an open or loose texture 3c: having the constituents spread apart {a ~ flower cluster} of a speech sound 4: produced with the muscles involved in a relatively relaxed state (as th e vowels /i/ and /u./ in contrast with the vowels /e-/ and /u:/ - lax.a.tion n