Completely vs Entirely vs Fully vs Totally

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

Completely

Top 1,000 (very common)A2adverb

Entirely

Top 2,000 (common)B2adverb

Fully

Top 2,000 (common)B2adverb

Totally

Top 2,000 (common)B1adverb
Most common: Completely
 CompletelyEntirelyFullyTotally
Pronunciation🇬🇧 /["/kəmˈpliːtli/"]/🇺🇸 /["/kəmˈpliːtli/"]/🇬🇧 /["/ɪnˈtaɪəli/"]/🇺🇸 /["/ɪnˈtaɪərli/"]/🇬🇧 /["/ˈfʊli/"]/🇺🇸 /["/ˈfʊli/"]/🇬🇧 /["/ˈtəʊtəli/"]/🇺🇸 /["/ˈtəʊtəli/"]/
MeaningTotally or fully.Completely or fully.completely or totallyCompletely or very much.
ExampleI completely forgot about the meeting today.The experience was **entirely new** to me.I **fully understand** your motives.I totally agree with your opinion on the matter.
RegisterNeutralNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 2,000 (common)Top 2,000 (common)
CEFR levelA2B2B2B1
Part of speechadverbadverbadverbadverb
Collocationscompletely agree, completely understand, completely satisfied, completely different, completely unawareentirely different, entirely possible, entirely subjectivefully aware, fully prepared, fully understand, fully loaded, fully engagetotally agree, totally awesome, totally different, totally in love
Antonymspartially, incompletely, somewhatpartially, incompletelypartially, incompletely, slightlypartially, somewhat
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.Using 'fully' in place of 'very' which is not always correct., Confusing 'fully' with 'fill' in terms of spelling., 'Fully' is sometimes misused in contexts where 'entirely' or 'completely' fit better.'Totally' is sometimes confused with 'complete.', Learners may use 'totally' in formal situations when it sounds too casual., Sometimes misused to modify nouns directly.
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.Use 'fully' to emphasize that something is done to the highest degree. Avoid using it in very casual speech where simpler words like 'really' may be preferred.Use 'totally' to emphasize an absolute degree of something. It's neutral but can sound informal in some contexts. Avoid in very formal writing.

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Completely
Entirely
Totally

Frequently asked questions: Completely vs Entirely vs Fully vs Totally

What's the difference between Completely, Entirely, Fully, and Totally?

Completely: Totally or fully. Entirely: Completely or fully. Fully: completely or totally Totally: Completely or very much.

Which is more common: Completely, Entirely, Fully, and Totally?

Completely is the most common in everyday English.

Are Completely, Entirely, Fully, and Totally the same CEFR level?

Completely: A2, Entirely: B2, Fully: B2, Totally: B1 on the CEFR scale.

What part of speech are Completely, Entirely, Fully, and Totally?

Completely: adverb, Entirely: adverb, Fully: adverb, Totally: adverb.

Can you show an example of each?

Completely: I completely forgot about the meeting today. Entirely: The experience was **entirely new** to me. Fully: I **fully understand** your motives. Totally: I totally agree with your opinion on the matter.

Can I use Completely, Entirely, Fully, and Totally interchangeably?

Not always. Completely, Entirely, Fully, and Totally 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.