1

undersea

adjective un·der·sea \ ˌən-dər-ˈsē \
Updated on: 21 Nov 2017

Definition of undersea

1 : being or carried on under the sea or under the surface of the sea
  • undersea oil deposits
  • undersea fighting
2 : designed for use under the surface of the sea
  • an undersea fleet

Examples of undersea in a Sentence

  1. They are conducting undersea research.

Recent Examples of undersea from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undersea.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of undersea

1613


2

undersea

adverb \ ˌən-dər-ˈsēz \
variants: or underseas

Definition of undersea

: under the sea : beneath the surface of the sea
  • photographs taken undersea

First Known Use of undersea

1645


UNDERSEA Defined for English Language Learners

undersea

adjective

Definition of undersea for English Language Learners

  • : found, done, or used below the surface of the sea


UNDERSEA Defined for Kids

undersea

adjective un·der·sea \ ˈən-dər-ˈsē \

Definition of undersea for Students

1 : being or done under the sea or under the surface of the sea
  • an undersea volcano
2 : used under the surface of the sea
  • an undersea vessel


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