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WordReference Random House Learner's Dictionary of American English © 2024o•ver•drive /ˈoʊvɚˌdraɪv/USA pronunciation n. [uncountable]- Mechanical Engineeringa device in a motor vehicle containing a gear that provides a drive shaft speed greater than the engine crankshaft speed.
- Informal Termsa state of great activity or productivity:We went into overdrive to finish the project on time.
WordReference Random House Unabridged Dictionary of American English © 2024o•ver•drive (v. ō′vər drīv′;n. ō′vər drīv′),USA pronunciation v., -drove, -driv•en, -driv•ing, n. v.t. - to push or carry to excess;
overwork. - to drive too hard.
n. - [Mach., Auto.]a device containing a gear set at such ratio and arrangement as to provide a drive shaft speed greater than the engine crankshaft speed.
- Informal Termsan intense state of activity or productivity:The political campaign has shifted into overdrive.
- bef. 950; Middle English overdriven to cover over, overpower; Old English oferdrīfan to drive away, overthrow. See over-, drive
Collins Concise English Dictionary © HarperCollins Publishers:: overdrive n /ˈəʊvəˌdraɪv/- a very high gear in a motor vehicle used at high speeds to reduce wear and save fuel
vb /ˌəʊvəˈdraɪv/ ( -drives, -driving, -drove, -driven)- (transitive) to drive too hard or too far; overwork or overuse
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