Idiom idiom
crash dive
Meaning
An emergency maneuver by a submarine in which it suddenly descends, especially to considerable depth, usually in order to escape an attack or avoid a collision.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“The submarine must crash dive to avoid the enemy ship.”
“When the radar detected an incoming missile, the captain ordered the crew to crash dive immediately.”
“Facing imminent detection by the patrol vessel, the commander initiated a desperate crash dive, plunging the vessel into the silent, crushing depths of the ocean.”
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Last updated August 10, 2026