Of things or actions: Marked by circumspection, showing caution, well-considered, cautious.

Of a secret, a confidence, etc.: not made widely known; closely guarded.

Of action, behaviour, observation, etc.: Proceeding from or characterized by caution.

Marked by caution, cautious. Obsolete.

Surrounded by a guard of reserve or restraint; on one's guard; hence, esp. of a person's behaviour, speech, etc.: Careful; prudent; cautious.

Chiefly of the manner of walking or of handling something: fearful of making a noise or causing harm to oneself or another person or object; (very)…

Of a secret, a confidence, etc.: not made widely known, closely guarded. Cf. well-kept, adj. 1.