VEXA'TIOUS, adjective 1. Irritating; disturbing or agitating to the mind; causing disquiet; afflictive; as a vexatious controversy; a vexatious neighbor. 2. Distressing; harassing; as vexatious wars. 3. Full of trouble and disquiet. He leads a vexatious life. 4. Teasing; slightly troublesome; provoking. A vexatious suit, in law, is one commenced for the purpose of giving trouble, or without cause.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI