Slack; loose; soft; not firm in texture, consistency, or tension; readily yielding to touch or pressure: as, lax flesh or fiber; a lax cord.Loose; free; being at ease.Relaxed; not retentive: as, lax bowels.Loose as regards force or energy; wanting vigor; weak; remiss; lacking in strictness: as, lax discipline; he is lax in his duty.Loose in construction or application; not rigidly exact or precise; vague; equivocal.In botany, loose or open; not compact: said of some panicles.n. A loosing; relief.n. A looseness; diarrhea.To relax.n. A salmon.