What does "vexatious" mean?

Vexatious: 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.

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