Accelerate vs Advance

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

Accelerate

Top 2,000 (common)C1verb

Advance

Top 1,000 (very common)B2noun
Most common: Advance
 AccelerateAdvance
Pronunciation🇬🇧 /["/əkˈseləreɪt/","/əkˈseləreɪts/","/əkˈseləreɪtɪd/","/əkˈseləreɪtɪŋ/"]/🇺🇸 /["/əkˈseləreɪt/","/əkˈseləreɪts/","/əkˈseləreɪtɪd/","/əkˈseləreɪtɪŋ/"]/🇬🇧 /["/ədˈvɑːns/"]/🇺🇸 /["/ədˈvæns/"]/
MeaningTo go faster or make something go faster.To move forward or make progress.
ExampleThe company aims to accelerate the development of new technologies.She received an advance on her salary this month.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelC1B2
Part of speechverbnoun
Collocationsdramatically, greatly, rapidly, hard, quickly, smoothlybig, considerable, dramatic, make, advance in, advance on, advance towards/​toward, rapid, Allied, British, make, order, halt, advance on, advance to, advance towards/​toward, large, cash, give, pay, get, advance of, advance on, amorous, sexual, make, advance to
Antonymsdecelerate, slow downretreat, halt, decline
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.'Advance' is sometimes confused with 'advancement', which means progress in a job or career., Learners may misuse 'advance' when they mean 'wait' instead of moving forward., Some may think 'advance' only applies to physical movement, excluding abstract uses like 'advancing knowledge'.
Usage notesUsed in both formal and casual contexts, often related to speed, processes, or improvements. Not typically used in very informal conversation.Use 'advance' in both formal and informal contexts, often when discussing progress or improvement. Not typically used in casual conversation without context.

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Advance

Frequently asked questions: Accelerate vs Advance

What's the difference between Accelerate and Advance?

Accelerate: To go faster or make something go faster. Advance: To move forward or make progress.

Which is more common: Accelerate and Advance?

Advance is the most common in everyday English.

Which is more advanced: Accelerate and Advance?

Accelerate is the highest level, at C1, on the CEFR scale.

Are Accelerate and Advance the same CEFR level?

Accelerate: C1, Advance: B2 on the CEFR scale.

What part of speech are Accelerate and Advance?

Accelerate: verb, Advance: noun.

Can you show an example of each?

Accelerate: The company aims to accelerate the development of new technologies. Advance: She received an advance on her salary this month.

Can I use Accelerate and Advance interchangeably?

Not always. Accelerate and Advance 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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