Princeton's WordNet

1. underdog(noun)

   one at a disadvantage and expected to lose

Wiktionary

1. underdog(Noun)

   A competitor thought unlikely to win.

2. underdog(Noun)

   Somebody at a disadvantage.

3. underdog(Noun)

   A high swing wherein the person pushing the swing runs beneath the swing while the person being pushed is at the forward limit of the arc.

Origin: From under + dog.

• verloorderAfrikaans
• الخاسِر، الأضْعَف، المُضْطَهَدArabic
• подтисканBulgarian
• desfavorecidoPortuguese (BR)
• slabšíCzech
• der/die UnterlegeneGerman
• den svagere partDanish
• άνθρωπος αδύνατος, άνθρωπος που δυναστεύεται από άλλουςGreek
• desfavorecido; desvalido; desamparadoSpanish
• allajääjaEstonian
• شخص بازنده؛ ستمدیدهFarsi
• altavastaajaFinnish
• perdant/-ante; défavorisé/-éeFrench
• הַצַד הַחַלָש, מוּעֲמָד לְהַפסִידHebrew
• कम क्षमता का व्यक्त‍ि या समूहHindi
• slabijičovjek, gubitnikCroatian
• (az) elnyomott(ak)Hungarian
• orang yang dianggap lemahIndonesian
• lítilmagniIcelandic
• sfavoritoItalian
• 敗者Japanese
• (생존 경쟁의) 패배자Korean
• nelaimėlis, pralaimėtojasLithuanian
• neveiksminieks; zaudētājsLatvian
• orang yg tertindasMalay
• zwakkereDutch
• den svakere part, taperNorwegian
• osoba na straconej pozycjiPolish
• شخص بازنده؛ ستمدیدهPersian
• عاجزه سړىPashto
• desfavorecidoPortuguese
• persoană/grup de la care nu se aşteaptă prea multRomanian
• неудачник; побеждённая сторонаRussian
• smoliar, slabší; prehrávajúciSlovak
• poraženecSlovenian
• autsajderSerbian
• den svagare (underlägsne), underdogSwedish
• ผู้เสียเปรียบในการแข่งขันหรือในสังคมThai
• ezilen/yenilmesi beklenen kimseTurkish
• 受虐待或欺壓者，處於劣勢的人Chinese (Trad.)
• переможена сторона; невдахаUkrainian
• کمزور، ناتواںUrdu
• người thua thiệtVietnamese
• 处于劣势者，受压迫者Chinese (Simp.)