adjective

1. moving from place to place, with no fixed abode; wandering
2. of, having to do with, or living an unsettled, drifting, or irresponsible life; vagrant; shiftless
3. aimlessly following an irregular course or path; drifting

Etymology: ME < MFr < L adj. vagabundus, strolling about < vagari, to wander < vagus: see vague

noun

1. a person who wanders from place to place, having no fixed abode
2. a tramp
3. an idle, disreputable, or shiftless person

intransitive verb