Accelerate vs Into top gear

When to use each in English, with meaning, register, and examples.

Accelerate

Top 2,000 (common)C1verb

Into top gear

InformalBeyond 10,000 (less common)
Most formal: AccelerateMost common: Accelerate
 AccelerateInto top gear
Pronunciation🇬🇧 /["/əkˈseləreɪt/","/əkˈseləreɪts/","/əkˈseləreɪtɪd/","/əkˈseləreɪtɪŋ/"]/🇺🇸 /["/əkˈseləreɪt/","/əkˈseləreɪts/","/əkˈseləreɪtɪd/","/əkˈseləreɪtɪŋ/"]/🇬🇧 //ˈɪntuː tɒp ɡɪə//🇺🇸 //ˈɪntu tɑp ɡɪr//
MeaningTo go faster or make something go faster.To start working very quickly and effectively.
ExampleThe company aims to accelerate the development of new technologies.After a slow start, we finally went into top gear to finish the project.
RegisterNeutralInformal
How commonTop 2,000 (common)Beyond 10,000 (less common)
CEFR levelC1-
Part of speechverb
Collocationsdramatically, greatly, rapidly, hard, quickly, smoothlyget into top gear, go into top gear, move into top gear
Antonymsdecelerate, slow down-
Common mistakesConfused with 'decelerate' (which means to slow down)., Using 'accelerate' without an object when it should have one., Incorrectly assuming it can only apply to vehicles.Using it in formal writing., Confusing with 'get into gear' which has a similar meaning but slightly different usage., Incorrectly saying 'in top gear' when it should be 'into top gear'.
Usage notesUsed in both formal and casual contexts, often related to speed, processes, or improvements. Not typically used in very informal conversation.Use this phrase in casual conversations when discussing increasing productivity or effort. It's not suitable for formal contexts.

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Into top gear

Frequently asked questions: Accelerate vs Into top gear

What's the difference between Accelerate and Into top gear?

Accelerate: To go faster or make something go faster. Into top gear: To start working very quickly and effectively.

Which is more formal: Accelerate and Into top gear?

Accelerate is the most formal of these.

Which is more common: Accelerate and Into top gear?

Accelerate is the most common in everyday English.

Can you show an example of each?

Accelerate: The company aims to accelerate the development of new technologies. Into top gear: After a slow start, we finally went into top gear to finish the project.

Can I use Accelerate and Into top gear interchangeably?

Not always. Accelerate and Into top gear are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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