lax

Lacking in rigor, strictness, or firmness. synonym: negligent.

Not taut, firm, or compact; slack. synonym: loose.

Loose and not easily retained or controlled. Used of bowel movements.

Pronounced with the muscles of the tongue and jaw relatively relaxed, as the vowel (ĕ) in let.

To relax.

A salmon.

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.