Learn some of the ways of saying goodbye in a few of the world's many languages:
Goodbye - English
elalleqa - Arabic
khodaa haafez _ persian
(aabar dekha hobey) - Bengali
Donadagohvi - Cherokee
Hagoonea' - Navajo
Ja ne / じゃね (informal) - Japanese
Ja mata ne / じゃまたね (formal) - Japanese
Sayonara / さよなら (if you will not see them for a long time) - Japanese
Auf Wiedersehen - German
Bis dann - German
Tschüss - German
Ade - German
Tschau - German
Bis Spater(Bis Schpaater)- German
Arrivederci - Italian
Addio - Italian
Ciao - Italian
Buona sera - Italian
Au Revoir - French (aw reh-VWAH)
À bientôt - French (see you later)(ah bee-EN-toe)
À demain - French (see you tomorrow)(ah deh-MAN)
Hejdå - Swedish
Aloha - Hawaiian
Le'hitraot - Hebrew
Shalom - Hebrew
Aavajo - Gujarati
Sampai Jumpa - Indonesian
Adios - Spanish
Paalam - Filipino
Zai Jian - Chinese, Mandarin
Zoi Geen (the "g" is pronounced like geek) - Chinese, Cantonese
Farvel - Danish
Namaste (same as hello) - Hindi
Fir Milenge (see you) - Hindi
Alvida (Goodbye, bit formal) - Hindi
Ayo - Papiamentu
Rub Rakha - Punjabi
Feri bhetaula (lit. we'll meet again) - Nepali
Do zobaczenia (see you) - Polish
Żegnaj - Polish
Adeus - Portuguese
Adieus - Portuguese
Tchau - Portuguese
Do svidan’ya/До Свидания (until we meet again, formal)- Russian
Poka/Пока (pronounced pa-ka, informal) - Russian
Do vstrechi/До Встречи (until we meet again) - Russian
Selamat jalan - Malay
Tot ziens - Dutch
Dag - Dutch
Doei - Dutch
再见 - Chinese
Yasou (YAH-soo) - Greek
Hwyl fawr - Welsh
Annyeonghi Kyeseyo(if the person you're talking to isn't leaving) - Korean
Anyeonghi Gasyeo(if the person you're talking to is leaving) - Korean
Näkemiin (See you) - Finnish
Hyvästi (Farewell) - Finnish
Hasta La Vista (see you later) - Spanish
Vale- Latin (to one person)
Valete- Latin (to more than one person)
La revedere - Romanian
Veloma - Malagasy
Sige la - Pangasinan
Khuda Hafiz - Urdu
zai jian - Chinese
Ha det bra - Norwegian
Ha det - Norwegian
Sees - Norwegian
Snakkes - Norwegian
Vida parayunnu - Malayalam
Vidaiperukiren - Tamil (very formal, in fact no one uses this)
Ok maams - Tamil (very informal, use with mates only)
Poitu Vaarein - Tamil (standard fare)
Slan - Irish
Aavajo - Gujarati
Чао - Macedonian