Irritating; disturbing or agitating to the mind; causing disquiet; afflictive; as a vexatious controversy; a vexatious neighbor.

Distressing; harassing; as vexatious wars.

Full of trouble and disquiet. He leads a vexatious life.

Teasing; slightly troublesome; provoking. A vexatious suit, in law, is one commenced for the purpose of giving trouble, or without cause.