1. (verb)pass off be accepted as something or somebody in a false character or identity "She passed off as a Russian agent"
2. (verb)pass off disregard "She passed off the insult"
3. (verb)pass off cause to be circulated and accepted in a false character or identity "She passed the glass off as diamonds"; "He passed himself off as a secret agent"
4. (verb)evanesce, fade, blow over, pass off, fleet, pass disappear gradually "The pain eventually passed off"
5. (verb)happen, hap, go on, pass off, occur, pass, fall out, come about, take place come to pass "What is happening?"; "The meeting took place off without an incidence"; "Nothing occurred that seemed important"
6. (verb)emit, breathe, pass off expel (gases or odors)
Definitions of pass off 
Afrikaans: verbygaan, weggaan
Arabic: يَمُرُّ، يَزول
Bulgarian: преминавам
Brazilian: desaparecer
Czech: přejít
German: vergehen
Danish: aftage
Greek: περνώ (π.χ. για ασθένεια)
Spanish: pasar, desaparecer
Estonian: vaibuma
Farsi: کم کم از بین رفتن
Finnish: väistyä
French: se passer
Hebrew: הִסתַייֵם
Hindi: खत्म या लुप्त होना
Croatian: proći, nestati
Hungarian: elmúlik
Indonesian: pergi
Icelandic: líða hjá
Italian: passare
Japanese: おさまる
Korean: 차츰 사라지다
Lithuanian: praeiti
Latvian: pāriet, beigties
Malay: sembuh; baik
Dutch: overgaan
Norwegian: gå over
Polish: przemijać
Persian: کم کم از بین رفتن
Pashto: لږ لږ له بینه تلل
Portuguese: desaparecer
Romanian: a trece
Russian: пройти
Slovak: prejsť
Slovenian: miniti
Serbian: proći
Swedish: gå över, försvinna
Thai: สิ้นสุด
Turkish: geçmek
Taiwanese: 結束
Ukrainian: проходити
Urdu: دور جانا
Vietnamese: biến mất
Chinese: 结束
