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gear

American  
[geer] / gɪər /

noun

  • gears
    plural
  1. Machinery.

    1. a part, as a disk, wheel, or section of a shaft, having cut teeth of such form, size, and spacing that they mesh with teeth in another part to transmit or receive force and motion.

    2. an assembly of such parts.

    3. one of several possible arrangements of such parts in a mechanism, as an automobile transmission, for affording different relations of torque and speed between the driving and the driven machinery, or for permitting the driven machinery to run in either direction.

      first gear;

      reverse gear.

    4. a mechanism or group of parts performing one function or serving one purpose in a complex machine.

      steering gear.

  2. implements, tools, or apparatus, especially as used for a particular occupation or activity; paraphernalia.

    fishing gear.

    Synonyms:
    rig, tackle, outfit, equipment
  3. a harness, especially of horses.

  4. Nautical.

    1. the lines, tackles, etc., of a particular sail or spar.

    2. the personal tools, clothing, and other possessions of a sailor.

  5. portable items of personal property, including clothing; possessions.

    The campers keep all their gear in footlockers.

  6. wearing apparel; clothing.

    The fashion pages of the Sunday paper are featuring the latest fall gear.

  7. armor or arms.


verb (used with object)

  • gears,
    present (3rd person singular)
  • geared,
    past participle,  past
  • gearing
    present participle
  1. to provide with or connect by gearing.

  2. to put in or into gear.

  3. to provide with gear; supply; equip.

  4. to prepare, adjust, or adapt to a particular situation, person, etc., in order to bring about satisfactory results.

    The producers geared their output to seasonal demands.

verb (used without object)

  • gears,
    present (3rd person singular)
  • geared,
    past participle,  past
  • gearing
    present participle
  1. to fit exactly, as one part of gearing into another; come into or be in gear.

adjective

  1. Slang. great; wonderful.

verb phrase

  1. gear up

    1. to make or get ready for a future event or situation.

      Insiders say the senator is gearing up to run for governor.

    2. to get or put on equipment or clothing for a particular purpose.

      The hikers geared up for the long trek down the mountain.

    3. to arouse or excite, as with enthusiasm or expectation.

      The employees were geared up for a hard battle with management over working hours.

  2. gear down

    1. Automotive. to shift the transmission of a vehicle to a lower gear.

      The truck driver geared down at the top of the hill.

    2. to reduce in scope or intensity.

      With less income you'll have to gear down your spending habits.

idioms

  1. in / into high gear, in or into a state of utmost speed, activity, or efficiency: null ininto top gear

    With cold and flu season in high gear, it's time to perfect your chicken soup recipe.

    Military rearmament moved into high gear.

  2. shift / switch gears, to change one's attitude, course of action, methods, etc., in an abrupt, dramatic, or unexpected manner.

    In the middle of the second act the play shifts gears from comedy to tragedy.

  3. out of gear, in the state in which gears are not connected or meshed.

    The engine is out of gear.

  4. in gear,

    1. Machinery. in the state in which gears are connected or meshed.

      The car is in gear.

    2. in proper or active working order; functioning continuously without trouble.

      Every department in this company must be in gear at all times.

gear British  
/ ɡɪə /

noun

  1. a toothed wheel that engages with another toothed wheel or with a rack in order to change the speed or direction of transmitted motion

  2. a mechanism for transmitting motion by gears, esp for a specific purpose

    the steering gear of a boat

  3. the engagement or specific ratio of a system of gears

    in gear

    high gear

  4. personal equipment and accoutrements; belongings

  5. equipment and supplies for a particular operation, sport, etc

    fishing gear

  6. nautical all equipment or appurtenances belonging to a certain vessel, sailor, etc

  7. short for landing gear

  8. informal up-to-date clothes and accessories, esp those bought by young people

  9. slang

    1. stolen goods

    2. illegal drugs

  10. a less common word for harness

  11. working or performing effectively or properly

  12. out of order; not functioning properly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr) to adjust or adapt (one thing) so as to fit in or work with another

    to gear our output to current demand

  2. (tr) to equip with or connect by gears

  3. (intr) to be in or come into gear

  4. (tr) to equip with harness

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
gear Scientific  
/ gîr /
  1. A wheel with teeth around its rim that mesh with the teeth of another wheel to transmit motion. Gears are used to transmit power (as in a car transmission) or change the direction of motion in a mechanism (as in a differential axle). Fixed ratios of speed in various parts of a machine is often established by the arrangement of gears.


gear More Idioms  
  1. see high gear; slip a cog (gear).


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of gear

First recorded in 1150–1200; Middle English gere, from Old Norse gervi, gørvi; akin to Old English gearwe “equipment”


Explanation

The noun gear refers to several things. First, it’s the equipment we need for a sport or event. A gear is also a wheel with teeth that interlocks with another gear to transmit motion in a machine. The background of gear as "equipment" dates back to around 1200 and comes from the Old Norse gervi, "apparel." The word gear in machinery became common in the early 19th century, although there is evidence that the word came to mean "toothed wheel" as early as 1520. Gear entered English slang around 1951, meaning something stylish. This use was popularized in the 1960s, under the influence of British pop music.

Keep Reading on Vocabulary.com

Vocabulary lists containing gear

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

One key question is whether the momentum behind the AI trade will shift into a lower gear moving forward.

From The Wall Street Journal ● Nov. 6, 2026

With problems mounting for the industry, several European carmakers are shifting up a gear on their plans to overhaul their operations—shedding jobs, reshuffling their model lineups and—in some cases—changing course on their strategies.

From The Wall Street Journal ● Nov. 4, 2026

Video from OnScene.TV shows a number of first responders at the scene preparing gear.

From Los Angeles Times ● Nov. 1, 2026

The footage showed four masked men in tactical gear standing in front of the Irish flag.

From BBC ● Oct. 30, 2026

He watched her gear while she went for a walk to stretch her legs.

From "Caterpillar Summer" by Gillian McDunn

Raman, for better or worse, might be inclined to push-start the old jalopy, oil the gears and throw department heads overboard if they don’t deliver.

From Los Angeles Times ● Nov. 5, 2026

OK, let’s shift gears from international relations to something closer to home—like what else you should be reading this evening:

From Slate ● Oct. 26, 2026

And now, as baseball gears up for the fight that will determine its future, the Rays and Brewers have proven that the little guys can sometimes win—even without a salary cap.

From The Wall Street Journal ● Oct. 23, 2026

It comes as Nscale gears up for an initial public offering on the New York Stock Exchange, reportedly targeting a valuation of up to $35 billion.

From Barron's ● Oct. 19, 2026

The gears float back to the watch, settling into place until the watch is complete again, hands ticking the seconds forward as though nothing had happened.

From "The Night Circus" by Erin Morgenstern

Much of her work since joining the council has been geared around something homelessness advocate Mollie Lowery told her when they first met: “Whatever it takes for as long as it takes.”

From Los Angeles Times ● Nov. 2, 2026

It’s easy to dismiss “The Devils” as a rerelease geared toward older cinephiles.

From Salon ● Oct. 22, 2026

Analysts and executives say that has contributed to a widened gap between luxury brands geared toward the ultrarich, and those that cater to everyone else.

From The Wall Street Journal ● Oct. 4, 2026

But she said that faster growth had occurred in offerings geared toward international cuisine, fiber and protein, smaller package sizes and bigger family-sized packs.

From MarketWatch ● Oct. 2, 2026

I am saying, rather, that control must be geared to realities, not to mythical situations, and that the methods employed must be such that they do not destroy us along with the insects.

From "Silent Spring" by Rachel Carson

“This would reduce Woodside’s gearing and project equity further, during a capital intensive growth phase.”

From The Wall Street Journal ● Nov. 4, 2026

The youth protests have struck a nerve with the wider public, at a time when Europe is gearing up for a wave of key elections in Spain, France, Italy and Greece over the coming year.

From Barron's ● Nov. 3, 2026

Newport Beach has declared a local emergency ahead of the tides and activated its emergency operations center, gearing up for flood prevention and response efforts.

From Los Angeles Times ● Oct. 24, 2026

Kao told agents he was gearing up to make more significant donations to Graham, Clyburn and Wilson by the end of the year.

From Salon ● Oct. 20, 2026

But slowly, our paths wind closer and closer until Saturday morning when she says, “I’ve got an all-day pageant planning meeting today. We’re gearing up for open registration. There’s tuna salad in the fridge.”

From "Dumplin'" by Julie Murphy

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