Loose, relaxed; not tight. = slack, adj. 7.

Not drawn or held tightly or tensely; relaxed, loose.

Reduced in tension; slack, loose; relaxed. Cf. remissive, adj. 1. Obsolete.

Of strings, reins, the skin, etc.: Not tightly drawn or stretched; slack, relaxed. with a loose rein (figurative): slackly, indulgently, without…

Slack, loose. Obsolete.

Slack; not tense, rigid, or tight. Hence of bodily constitution or mental powers: Wanting in ‘tone’ or tension. Now somewhat rare.

Of a cable: Loose, slack. Cf. stray, n. 6 and stray-line, n.

Lacking physical tension, stress, or density; slack, loose; (chiefly Physics) in a state of equilibrium.

(un-, prefix1 affix 2.)

Not subjected to straining or stretching; free from strain. Also figurative.

without tension, unstrained.