noun an indefinite expanse.
2. vague ·noun a wandering; a vagary.
3. vague ·vi wandering; vagrant; vagabond.
4. vague ·vi proceeding from no known authority; unauthenticated; uncertain; flying; as, a vague report.
5. vague ·vi to wander; to roam; to stray.
6. vague ·vi unsettled; unfixed; undetermined; indefinite; ambiguous; as, a vague idea; a vague proposition.