to disturb persistently; torment, as with troubles or cares; bother continually; pester; persecute.
2.
to trouble by repeated attacks, incursions, etc., as in war or hostilities; harry; raid.
Origin: 1610–20; < French, Middle French harasser to harry, harass, v. derivative of harace, harache (in phrase courre a la harace pursue) = hare cry used to urge dogs on (< Frankish *hara here, from this side; compare Old High German hera,Middle Dutch hare) + -asse augmentative or pejorative suffix < Latin -ācea
Synonyms 1. badger, vex, plague, hector torture. See worry.2. molest.
Pronunciation note harass, a 17th-century French borrowing, has traditionally been pronounced /ˈhærəs/Show Spelled[har-uhs]Show IPA, with stress on the first syllable. A newer pronunciation, /həˈræs/[huh-ras], has developed in North American (but not British) English. While this newer pronunciation is sometimes criticized by older educated speakers, it has become the more common one in the U.S., especially among younger educated speakers, some of whom have only minimal familiarity with the older form.
1618, from Fr. harasser "tire out, vex," possibly from O.Fr. harer "set a dog on," and perhaps blended with O.Fr. harier "to harry, draw, drag." Originally "to lay waste, devastate," sense of "distress" is from 1656.