(1):

(v. i.) Unsettled; unfixed; undetermined; indefinite; ambiguous; as, a vague idea; a vague proposition.

(2):

(v. i.) Proceeding from no known authority; unauthenticated; uncertain; flying; as, a vague report.

(3):

(n.) An indefinite expanse.

(4):

(v. i.) To wander; to roam; to stray.

(5):

(v. i.) Wandering; vagrant; vagabond.

(6):

(n.) A wandering; a vagary.