Meaning of “submarine” in the English Dictionary

"submarine" in British English

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submarinenoun [ C ]

uk /ˌsʌb.məˈriːn/ /ˈsʌb.mə.riːn/ us /ˌsʌb.məˈriːn/ /ˈsʌb.mə.riːn/ informal sub

a ship that can travel underwater:

a nuclear submarine
a submarine base/commander

More examples

  • The submarine sailed deep under the ice cap.
  • The submarine surfaced a few miles off the coast.
  • The submarine dived just in time to avoid the enemy attack.
  • The president has agreed to allocate further funds to develop the new submarine.
  • A spokesman for the dockyard said they hoped to launch the first submarine within two years.

submarineadjective

uk /ˌsʌb.məˈriːn/ /ˈsʌb.mə.riːn/ us /ˌsʌb.məˈriːn/ /ˈsʌb.mə.riːn/ specialized

(Definition of “submarine” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"submarine" in American English

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submarinenoun [ C ]

us /ˈsʌb·məˌrin, ˌsʌb·məˈrin/ short form sub

a ship that can travel under water:

a nuclear submarine

(Definition of “submarine” from the Cambridge Academic Content Dictionary © Cambridge University Press)