nosedive
noun /ˈnəʊzdaɪv/
/ˈnəʊzdaɪv/
[singular]- a sudden steep fall or drop; a situation where something suddenly becomes worse or begins to fail
- Oil prices took a nosedive in the crisis.
- These policies have sent the construction industry into an abrupt nosedive.
- Her spirits took a sudden nosedive after her husband’s death.
- Stock markets have crashed in the biggest nosedive this century.
- the sudden sharp fall of an aircraft towards the ground with its front part pointing down
- The pilot put the plane into a nosedive.