1. to dive steeply downward with the nose or front pointing down, especially of an aircraft
Usage: present participle of nosedive
2. to decline or fall sharply and suddenly
Usage: present participle of nosedive; figurative

1. the act or instance of diving steeply downward or declining sharply

Examples

• The fighter jet was nosediving toward the ground at high speed.
• The company's stock prices are nosediving after the scandal.
• His grades started nosediving when he stopped attending class.
• The eagle performed a dramatic nosediving maneuver to catch its prey.
• Sales figures have been nosediving for the past three months.
• The airplane recovered from its nosediving position just in time.