Vexatious

Vex*a"tious (?), a. [See Vexation.] 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.