English Reference
adjective · adverb · noun

underwater

adj. · adv. · n.
US /ˈəndɝˌwɔtɝ/ UK /ˌʌndəwˈɔːtɐ/ un·der·wa·ter UK spelling underwaters

  1. 01 A2 Elementary

    adj.located or happening below the surface of the water.

    adj.situated, occurring, or used beneath the surface of a body of water.

    Simple

    The divers found an underwater cave filled with colourful fish.

    In context

    The research team deployed an underwater drone to map the coral reef without disturbing the delicate ecosystem.

    submergedsubaquaticsunken
    above watersurface
  2. 02 C1 Advanced Technical Finance

    adj.describing a loan where you owe more money than the item is currently worth.

    adj.having negative equity, specifically when the balance of a loan exceeds the current market value of the asset securing it.

    Simple

    After the housing market crashed, many families found their homes were underwater.

    In context

    The bank struggled to manage a portfolio of underwater mortgages as property values in the region continued to decline.

    Usage

    Commonly used to describe mortgages or car loans during a market crash.

    negative equity
  3. 03 C2 Proficiency TechnicalFormal Finance

    adj.describing a financial deal that is currently not profitable to use.

    adj.referring to an option whose strike price is higher than the current market price for calls, or lower for puts.

    Simple

    His stock options went underwater after the company's poor earnings report.

    In context

    The executive's compensation package lost much of its appeal when the majority of his stock options became underwater during the recession.

    out of the money
    in the money
  4. 04 A2 Elementary

    adv.moving or staying below the surface of the water.

    adv.in a manner that goes or remains beneath the water's surface.

    Simple

    She can swim underwater for nearly two minutes without taking a breath.

    In context

    The submarine travelled underwater for several days to avoid detection by surface vessels.

  5. 05 C1 Advanced Technical Science

    n.the water that is deep below the surface.

    n.the body of water located beneath the surface layer, such as in an aquifer or deep ocean.

    Simple

    Scientists are studying the underwater in the Arctic to see how it changes.

    In context

    The contamination of the underwater in the local aquifer posed a significant threat to the town's long-term supply of drinking water.

    groundwatersubsurface water

Etymology 1

From under (preposition) + water.

Etymology 2

From under- + water.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level A2 · Elementary
Frequency Frequent
Updated