crash dive verb 5noun 3forms 8 verb5 •To perform a crash dive. •To cause (a submarine) to perform a crash dive.Siegmann was still obliged to crash-dive the sub three more times to escape twelve more bombs. — 2014 •To rapidly descend, intentionally or accidentally, in a manner that ends in a violent collision.At 0640 hours, a Japanese suicide plane crash-dove into the USS Gilligan. — 2008 •To rapidly descend, in a manner that ends in a violent collision with (something).Twenty-two Jap suicide planes sighted destroyer off Okinawa April 16 and for more than two hours bombed and crash-dived the ship in a wild and apparently unorganized attack. — 1945 •To cause (something) to descend rapidly, in a manner that ends in a violent collision.[T]he Japanese have organized a suicide corps of flyers whose mission is to crash-dive their explosives-laden aircraft into ships. — 1945 noun3 •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.As the crash dive began at 1:50 p.m., the overboard ventilation valve had not been closed, which resulted in tons of water flooding the submarine. — 2000 •A rapid descent by a person or thing, ending in a violent collision.In "Icarus's Mother," a skywriter salutes two girls on a beach with the message, "E=MC²," and then swirls into a deadly crash dive. — 1985 •Three quarters of a front somersault, beginning on the feet and landing on the back.The next routine can be the same as Routine 7 but with the crash dive being replaced with a one-and-three-quarter front somersault tucked (with a tariff of 0.7), making the total tariff 4.8 — 1990 formscrash dived · crash-dived · crash dove · crash-dove · crash diving · crash-diving · crash dives · crash-dives