vexed vs pestered

vexed and pestered both are adjectives.

Word	Noun	Adjective	Verb	Adverb
vexed	No	Yes	No	No
pestered	No	Yes	No	No

As adjectives, vexed and pestered are synonyms defined as:

vexed and pestered: troubled persistently especially with petty annoyances

Other synonyms of vexed include annoyed, harassed, harried.

vexed (adjective)	pestered (adjective)
causing difficulty in finding an answer or solution; much disputed	troubled persistently especially with petty annoyances
troubled persistently especially with petty annoyances