1
a
: to plunge into water intentionally and especially headfirst
also
: to execute a dive (see dive entry 2 sense 1a(1))
diving into the pool from the highest platform
b
: submerge
the submarine dived
2
a
: to come or drop down precipitously : plunge
the temperature is diving
b
: to plunge one's hand into something
dived into his pocket
c
of an airplane
: to descend in a dive
3
a
: to plunge into some matter or activity
she dove into her studies
b
: to plunge or dash for some place
diving for cover
also
: to lunge especially in order to seize something
dove for the ball
1
: to thrust into something
diving one's hands into the icy water
2
: to cause to dive
dive a submarine
Dived vs. Dove: Usage Guide
Dive, which was originally a weak verb, developed a past tense dove, probably by analogy with verbs like drive, drove. Dove exists in some British dialects and has become the standard past tense especially in speech in some parts of Canada. In the U.S. dived and dove are both widespread in speech as past tense and past participle, with dove less common than dived in the south Midland area, and dived less common than dove in the Northern and north Midland areas. In writing, the past tense dived is usual in British English and somewhat more common in American English. Dove seems relatively rare as a past participle in writing.
1
: the act or an instance of diving: such as
a(1)
: a plunge into water executed in a prescribed manner
practicing her dives
(2)
nautical
: a submerging of a submarine
(3)
aviation
: a steep descent of an airplane at greater than the maximum speed of horizontal flight
b
: a sharp decline
Stocks took a dive.
2
: a shabby and disreputable establishment (such as a bar or nightclub)
3
combat sports
: a faked knockout
—usually used in the phrase take a dive
a boxer accused of taking a dive
4
football
: an offensive (see offensive entry 1 sense 1c) play in which the ballcarrier plunges into the line (see line entry 1 sense 7f(2)) for short yardage
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Merriam-Webster unabridged
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