Completely vs Entirely vs Fully vs Thoroughly 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

Thoroughly

Top 2,000 (common)B2adverb

Totally

Top 2,000 (common)B1adverb
Most common: Completely
 CompletelyEntirelyFullyThoroughlyTotally
Pronunciation🇬🇧 /["/kəmˈpliːtli/"]/🇺🇸 /["/kəmˈpliːtli/"]/🇬🇧 /["/ɪnˈtaɪəli/"]/🇺🇸 /["/ɪnˈtaɪərli/"]/🇬🇧 /["/ˈfʊli/"]/🇺🇸 /["/ˈfʊli/"]/🇬🇧 /["/ˈθʌrəli/"]/🇺🇸 /["/ˈθɜːrəli/"]/🇬🇧 /["/ˈtəʊtəli/"]/🇺🇸 /["/ˈtəʊtəli/"]/
MeaningTotally or fully.Completely or fully.completely or totallyIn a detailed and complete way.Completely or very much.
ExampleI completely forgot about the meeting today.The experience was **entirely new** to me.I **fully understand** your motives.We thoroughly enjoyed ourselves.I totally agree with your opinion on the matter.
RegisterNeutralNeutralNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 2,000 (common)Top 2,000 (common)Top 2,000 (common)
CEFR levelA2B2B2B2B1
Part of speechadverbadverbadverbadverbadverb
Collocationscompletely agree, completely understand, completely satisfied, completely different, completely unawareentirely different, entirely possible, entirely subjectivefully aware, fully prepared, fully understand, fully loaded, fully engagethoroughly enjoy, thoroughly check, thoroughly understand, thoroughly investigate, thoroughly cleansetotally agree, totally awesome, totally different, totally in love
Antonymspartially, incompletely, somewhatpartially, incompletelypartially, incompletely, slightlysuperficially, partially, incompletelypartially, 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.Using 'through' instead of 'thoroughly'., Confusing it with 'thorough', which is an adjective., Misplacing it in a sentence or using it in informal contexts.'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 this word to describe actions done completely and carefully. It's suitable in both speaking and writing. Avoid in casual conversations where simpler words like 'really' or 'very' may be more common.Use 'totally' to emphasize an absolute degree of something. It's neutral but can sound informal in some contexts. Avoid in very formal writing.

Frequently asked questions: Completely vs Entirely vs Fully vs Thoroughly vs Totally

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

Completely: Totally or fully. Entirely: Completely or fully. Fully: completely or totally Thoroughly: In a detailed and complete way. Totally: Completely or very much.

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

Completely is the most common in everyday English.

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

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

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

Completely: adverb, Entirely: adverb, Fully: adverb, Thoroughly: 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. Thoroughly: We thoroughly enjoyed ourselves. Totally: I totally agree with your opinion on the matter.

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

Not always. Completely, Entirely, Fully, Thoroughly, 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.