Definitions:

1. A person who wanders from place to place without a permanent home or regular employment, often living in poverty. NOUN
   • The city offers shelters for vagrants during the winter months.
2. Erratic or unpredictable in behavior or occurrence. ADJECTIVE
   • A vagrant idea drifted through his mind.
3. Wandering or roaming without fixed direction or purpose. ADJECTIVE
   • A vagrant breath of hot air fluttered the ends of his black silk tie.

Synonyms:

• drifter
• erratic
• homeless person
• roaming
• transient
• unsettled
• vagabond
• wanderer
• wayward