VEXATIOUS

annoying, bothersome, galling, irritating, nettlesome, pesky, pestering, pestiferous, plaguy, plaguey, teasing, vexatious, vexing

(adjective) causing irritation or annoyance; “tapping an annoying rhythm on his glass with his fork”; “aircraft noise is particularly bothersome near the airport”; “found it galling to have to ask permission”; “an irritating delay”; “nettlesome paperwork”; “a pesky mosquito”; “swarms of pestering gnats”; “a plaguey newfangled safety catch”; “a teasing and persistent thought annoyed him”; “a vexatious child”; “it is vexing to have to admit you are wrong”

Source: WordNet® 3.1

Etymology

Adjective

vexatious (comparative more vexatious, superlative most vexatious)

Causing vexation or annoyance; teasing; troublesome.

(archaic) Full of trouble or disquiet

Synonyms: harassed, distressed, annoyed, vexed

(legal, of an action) Commenced for the purpose of giving trouble, without due cause.

(legal, of a party or entity) In the habit of starting vexatious litigation and therefore liable to have restraints placed on one's ability to access the courts.

Synonyms

• See also annoying

Source: Wiktionary

Vex*a"tious, a. Etym: [See Vexation.]

1. Causing vexation; agitating; afflictive; annoying; as, a vexatious controversy; a vexatious neighbor. "Continual vexatious wars." South.

2. 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.

Source: Webster’s Unabridged Dictionary 1913 Edition