Vexatious a. : Causing vexation; agitating; afflictive; annoying; as, a vexatious controversy; a vexatious neighbor.

Vexatious a. : Full or vexation, trouble, or disquiet; disturbed.

Example:
How do you stop a Vexatious pro se litigant who sues everyone in her path...including me?

Taxonomy
vexatious, Merriam-Webster Online Dictionary, tious, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, glossary, english, language, ESL, Search, adjective, delays, lawsuit, disorder, stress.

Defination from the web:
vexatious from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 1 a : causing vexation : distressing <vexatious delays> b : intended to harass <a vexatious lawsuit> ...