Persistent attacks and criticism causing worry and distress.(noun)
Deliberate pestering or annoying.(noun)
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Use "harassment" in a sentence
"Of particular concern is the expansion of the term harassment to include “harassment by communication,” which means a person can be convicted on the basis of spoken words alone.19"
"Etiquette is being rewritten, the word harassment has taken on a new meaning, training books for office protocol and politically correct phrasing are everywhere."
"Robert Klein Engler, a former adjunct professor at Roosevelt University, wants to tell his story, and with the word harassment lingering around his name it is not hard to understand why he is deeply concerned with clearing his reputation."