pestered vs vexed

pestered and vexed both are adjectives.

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

As adjectives, pestered and vexed are synonyms defined as:

pestered and vexed: troubled persistently especially with petty annoyances

Other synonyms of pestered include annoyed, harassed, harried.

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