pestered vs harassed

pestered and harassed both are adjectives.

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

As adjectives, pestered and harassed are synonyms defined as:

pestered and harassed: troubled persistently especially with petty annoyances

Other synonyms of pestered include annoyed, harried, vexed.

pestered (adjective)	harassed (adjective)
troubled persistently especially with petty annoyances	troubled persistently especially with petty annoyances