Definition of undersea
- undersea oil deposits
- undersea fighting
- an undersea fleet
They are conducting undersea research.
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.
: found, done, or used below the surface of the sea
What made you want to look up undersea? Please tell us where you read or heard it (including the quote, if possible).
to grant as a privilege or special favor
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