1. (v.t.)harass to disturb persistently; torment; pester; persecute.
2. harass to trouble by repeated attacks, incursions, etc., as in war; raid.
Etymology: (1610–20; < F, MF harasser to harry, harass, v. der. of harace, harache (in phrase courre a la harace pursue) =hare cry used to urge dogs on (< Frankish *hara here, from this side; cf. OHG hera, MD hare) +-asse aug. or pejorative suffix < L -ācea)
Definition of 'harass'
Princeton's WordNet
1. (verb)harass, hassle, harry, chivy, chivvy, chevy, chevvy, beset, plague, molest, provoke annoy continually or chronically "He is known to harry his staff when he is overworked"; "This man harasses his female co-workers"
2. (verb)harass exhaust by attacking repeatedly "harass the enemy"
3. (verb)harass to fatigue; to tire with repeated and exhausting efforts; esp., to weary by importunity, teasing, or fretting; to cause to endure excessive burdens or anxieties; -- sometimes followed by out
Definitions of harass 
Afrikaans: pla, lastig val
Arabic: يُضايَق
Bulgarian: измъчвам
Brazilian: perseguir
Czech: trápit
German: belästigen
Danish: forstyrre; plage
Greek: παρενοχλώ
Spanish: acosar, hostigar; atormen
Estonian: kimbutama, tülitama
Farsi: اذیت کردن
Finnish: ahdistella
French: harceler
Hebrew: לְהַצִיק
Hindi: परेशान करना
Croatian: dodijavati, muciti
Hungarian: molesztál
Indonesian: mengganggu
Icelandic: hrjá, angra stöðugt
Italian: infastidire
Japanese: うるさがらす
Korean: 괴롭히다
Lithuanian: neduoti ramybės
Latvian: nelikt mierā; traucēt
Malay: mengganggu berkali-kali
Dutch: ergeren, moeilijkheden be
Norwegian: plage, trakassere, sjikan
Polish: dokuczać
Persian: اذیت کردن
Pashto: ځورول ، خوا بدي كول خفه ك
Portuguese: importunar
Romanian: a necăji
Russian: изводить
Slovak: trápiť, sužovať
Slovenian: nadlegovati
Serbian: maltretirati
Swedish: plåga, besvära, trakasser
Thai: รบกวน
Turkish: rahatsız etmek, taciz etm
Taiwanese: 愛煩人
Ukrainian: турбувати
Urdu: برابر پریشن اور ہراساں کر
Vietnamese: làm phiền
Chinese: 使困扰
