With verbs denoting activity, with the sense of movement weakened or absent: at large, freely; in an aimless, idle, or frivolous manner; without…

In a designless manner; with no specific purpose or intention.

In an aimless manner; without direction, object, or purpose.

in a purposeless manner; aimlessly.

With sense of movement weakened or absent: freely; in an idle, casual, or frivolous manner; aimlessly, without any definite purpose. Cf. about, adv.…

In a wandering or aimless manner.

without motive.

Without meaning, significance, or purpose; not meaningfully; aimlessly; (also) unintentionally.

Without firm basis, support, or footing. More generally: aimlessly, without direction; randomly. Cf. footless, adj. 2.