Pronunciation

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Singular
coast

Plural
coasts

  1. (countable) The coast is the area of land closest to the sea.
    The hotel was near the coast and their room had a balcony from which they could see the distant ocean.
    The numbers of fish along the Atlantic coast declined from heavy fishing, construction of dams, and pollution.
  2. If the coast is clear, nobody is looking, so you can do something without anyone knowing.
    He looked out the window to see if the coast was clear.
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Plain form
coast

Third-person singular
coasts

Past tense
coasted

Past participle
coasted

Present participle
coasting

  1. (intransitive) If a vehicle coasts, it continues to move forward without needing new energy.
    The car gradually coasted to a stop.
    He rested as the bike coasted down the hill.