underseaadjective [ before noun ]
uk/ˌʌn.dəˈsiː/us/ˌʌn.dɚˈsiː/below the surface of the sea:
undersea exploration
Thesaurus: synonyms and related words
Seas & oceans
- Aegean
- briny
- deep
- deep-sea
- English Channel
- guyot
- la Niña
- marine
- med
- mid-ocean ridge
- ocean
- oceanic
- oceanography
- salt water
- submarine
- territorial sea
- the doldrums
- the high seas
- the Irish Sea
- the Southern Ocean
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