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.

Source: Webster's Revised Unabridged Dictionary (1913)