Completely vs Entirely

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

Completely

Top 1,000 (very common)A2adverb

Entirely

Top 2,000 (common)B2adverb
Most common: Completely
 CompletelyEntirely
Pronunciation🇬🇧 /["/kəmˈpliːtli/"]/🇺🇸 /["/kəmˈpliːtli/"]/🇬🇧 /["/ɪnˈtaɪəli/"]/🇺🇸 /["/ɪnˈtaɪərli/"]/
MeaningTotally or fully.Completely or fully.
ExampleI completely forgot about the meeting today.The experience was **entirely new** to me.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2B2
Part of speechadverbadverb
Collocationscompletely agree, completely understand, completely satisfied, completely different, completely unawareentirely different, entirely possible, entirely subjective
Antonymspartially, incompletely, somewhatpartially, incompletely
Common mistakesUsing 'completely' without a verb or action., Confusing 'completely' with 'totally' in formal contexts., Saying 'completely' in casual situations where simpler words like 'really' might fit better.Confused with 'entire' which is an adjective., Used incorrectly in informal contexts, such as in slang., Misplaced in a sentence, making it sound awkward.
Usage notesUse 'completely' to emphasize the totality of an action or state. It's suitable for both spoken and written English but might sound overemphasized in casual conversation.Used to emphasize completeness. Suitable in both spoken and written contexts; however, avoid in overly casual conversations.

Frequently asked questions: Completely vs Entirely

What's the difference between Completely and Entirely?

Completely: Totally or fully. Entirely: Completely or fully.

Which is more common: Completely and Entirely?

Completely is the most common in everyday English.

Are Completely and Entirely the same CEFR level?

Completely: A2, Entirely: B2 on the CEFR scale.

Can I use Completely and Entirely interchangeably?

Not always. Completely and Entirely 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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