Instantly vs Quickly

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

 InstantlyQuickly
MeaningRight away, without waiting.In a fast manner
CEFR levelB2A1
Part of speechadverbadverb
Usage notesUse 'instantly' in both spoken and written English to emphasize immediate action. It's appropriate in most contexts but less common in very casual conversations.Use 'quickly' when describing how something is done fast. Appropriate in both spoken and written English, but may be overly formal in casual conversations.

Frequently asked questions: Instantly vs Quickly

What's the difference between "Instantly" and "Quickly"?

"Instantly" means: Right away, without waiting. "Quickly" means: In a fast manner

When should I use "Instantly" and "Quickly"?

They can all be used in everyday English.

Are "Instantly" and "Quickly" the same CEFR level?

"Instantly" is at B2, "Quickly" is at A1 on the CEFR scale.

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