Search Result for "overdrive": 
Wordnet 3.0

NOUN (2)

1. the state of high or excessive activity or productivity or concentration;
- Example: "Troops are ready to go into overdrive as soon as the signal is given"
- Example: "Melissa's brain was in overdrive"

2. a high gear used at high speeds to maintain the driving speed with less output power;


VERB (2)

1. drive or work too hard;
- Example: "The teacher is overworking his students"
- Example: "Overdriving people often suffer stress"

2. make use of too often or too extensively;
[syn: overuse, overdrive]


The Collaborative International Dictionary of English v.0.48:

Overdrive \O`ver*drive"\, v. t. & i. To drive too hard, or far, or beyond strength. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

overdrive \o"ver*drive`\, n. 1. (Machinery) A gearing device which causes the drive shaft of an automobile or other machine to rotate at a speed greater than that of the engine crankshaft. [PJC] 2. (Automotive) The gear setting of a motor vehicle at which the overdrive[1] is operative; as, cruising at 80 mph in overdrive. [PJC] 3. Hence: [fig.] A state of unusually intense activity; as, when they got their new supercomputer, their research kicked into overdrive; one look at her made his heart jump into overdrive; -- used mostly of the activities of persons or groups. [PJC]
WordNet (r) 3.0 (2006):

overdrive n 1: the state of high or excessive activity or productivity or concentration; "Troops are ready to go into overdrive as soon as the signal is given"; "Melissa's brain was in overdrive" 2: a high gear used at high speeds to maintain the driving speed with less output power v 1: drive or work too hard; "The teacher is overworking his students"; "Overdriving people often suffer stress" 2: make use of too often or too extensively [syn: overuse, overdrive]
Moby Thesaurus II by Grady Ward, 1.0:

63 Moby Thesaurus words for "overdrive": Hydromatic, automatic transmission, burden, busy, carry too far, cogwheel, differential, differential gear, drive, exaggerate, exhaust, fag, freewheel, gear, gear train, gearbox, gearing, gearshift, gearwheel, go overboard, go to extremes, go too far, high, intermediate, keep busy, know no bounds, low, neutral, oppress, overact, overcarry, overdevelop, overdo, overelaborate, overemphasize, overexercise, overexert, overexpend, overindulge, overlabor, overplay, overreact, overspend, overstrain, overstress, overstudy, overtask, overtax, overtrain, overuse, overwork, pass all bounds, protest too much, rack, reverse, standard transmission, stick shift, sweat, synchromesh, task, tax, transmission, work
The Free On-line Dictionary of Computing (30 December 2018):

Overdrive An Intel Pentium processor which fits into a socket designed to accomodate an Intel 486, or into a special upgrade socket on the motherboard. (1995-03-27)