deepwater

/ˈdiːpˌwɔːtər/
adjective
  1. Relating to or occurring in deep parts of the ocean, typically hundreds of meters or more below the surface.
    • The company invested in deepwater exploration for oil and gas reserves.
    • Deepwater drilling requires specialized equipment to withstand high pressure.
    • Scientists study deepwater ecosystems to learn about unique marine life.
Antonyms
noun
  1. Deep parts of the ocean or a large body of water.
    • Pollution can reach deepwater and harm creatures that live there.
    • The fish lives in deepwater, far from the shore.
    • Submarines are designed to travel through deepwater safely.
What does "deepwater" mean? | whatsthatwordmean | whatsthatwordmean