Princeton's WordNet

1. overboard(adverb)

   to extremes

   "he went overboard to please his in-laws"

2. overboard(adverb)

   from on board a vessel into the water

   "they dropped their garbage overboard"

Kernerman English Learner's Dictionary

1. overboard(adverb)ˈoʊ vərˌbɔrd, -ˌboʊrd

   into the water from a boat

   Someone pushed him overboard.

2. overboardˈoʊ vərˌbɔrd, -ˌboʊrd

   to do or say more than is acceptable or needed

   Some of the fans went overboard and started throwing things.

Wiktionary

1. overboard(Adverb)

   over the edge; especially, off or outside of a boat

   It was their practice to throw the scraps overboard.

2. overboard(Adjective)

   excessive; too much

   They really went overboard with the party preparations.

• oorboordAfrikaans
• مِنَ السَّفينَه إلى البَحْرArabic
• зад бордаBulgarian
• ao marPortuguese (BR)
• přes palubuCzech
• über BordGerman
• over bordDanish
• από το πλοίο στη θάλασσαGreek
• por la bordaSpanish
• üle pardaEstonian
• از روی لبۀ کشتی یا قایقFarsi
• yli laidanFinnish
• par-dessus bordFrench
• לְתוֹך הַמָיִםHebrew
• s broda,čamcaCroatian
• hajóból kiHungarian
• ke airIndonesian
• útbyrðis, fyrir borðIcelandic
• in mareItalian
• 船外へJapanese
• 배 밖으로Korean
• už bortoLithuanian
• pār bortu (ūdenī)Latvian
• jatuh dr kapalMalay
• overboordDutch
• over bordNorwegian
• za burtęPolish
• از روی لبۀ کشتی یا قایقPersian
• د بيړى له څنډىPashto
• ao marPortuguese
• peste bordRomanian
• за бортRussian
• cez palubuSlovak
• čez krovSlovenian
• preko palubeSerbian
• överbordSwedish
• นอกลำเรือThai
• gemiden aşağıTurkish
• 從船邊落入水中，在船外Chinese (Trad.)
• за бортом; за бортUkrainian
• جہاز پر سےUrdu
• qua mạn tàuVietnamese
• 从船边落入水中，在船外Chinese (Simp.)