nosedive

/ˈnoʊzˌdaɪv/
noun
  1. A sudden, steep downward movement, especially of an aircraft.
    • The pilot pulled the plane out of a nosedive just before hitting the ground.
    • The drone's nosedive startled the crowd at the air show.
    • The bird went into a nosedive to catch its prey.
  2. A sudden and dramatic decline or drop, especially in value, quality, or performance.
    • The company's stock took a nosedive after the scandal broke.
    • The team's performance went into a nosedive after their star player got injured.
    • His grades took a nosedive when he stopped studying.
verb
  1. To move downward steeply and suddenly, especially through the air.
    • The fighter jet nosedived to avoid enemy radar.
    • The helicopter nosedived into the valley before leveling off.
    • The eagle nosedived toward the lake to snatch a fish.
  2. To fall or drop suddenly in amount, value, or quality.
    • Sales nosedived after the product recall.
    • The temperature nosedived overnight, dropping below freezing.
    • Her confidence nosedived after she failed the test.
Antonyms
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