Vexatious

Part of speech: adjective (a.)

1. Causing vexation; agitating; afflictive; annoying; as, a vexatious controversy; a vexatious neighbor. "Continual vexatious wars." South.

2. Full or vexation, trouble, or disquiet; disturbed. He leads a vexatious life. Sir K. Digby. Vexatious suit (Law), a suit commenced for the purpose of giving trouble, or without cause. -- Vex*a"tious*ly, adv. -- Vex*a"tious*ness, n.