1. Causing vexation; agitating; afflictive; annoying; as, a vexatious controversy; a vexatious neighbor. “Continual vexatious wars.”
2. Full of 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.