Altogether vs Completely vs Entirely vs Fully vs Totally

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

Altogether

Top 2,000 (common)B2adverb

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
 AltogetherCompletelyEntirelyFullyTotally
Pronunciation🇬🇧 /["/ˌɔːltəˈɡeðə(r)/"]/🇺🇸 /["/ˌɔːltəˈɡeðər/"]/🇬🇧 /["/kəmˈpliːtli/"]/🇺🇸 /["/kəmˈpliːtli/"]/🇬🇧 /["/ɪnˈtaɪəli/"]/🇺🇸 /["/ɪnˈtaɪərli/"]/🇬🇧 /["/ˈfʊli/"]/🇺🇸 /["/ˈfʊli/"]/🇬🇧 /["/ˈtəʊtəli/"]/🇺🇸 /["/ˈtəʊtəli/"]/
MeaningCompletely or in total.Totally or fully.Completely or fully.completely or totallyCompletely or very much.
ExampleThe train went slower and slower until it stopped altogether.I 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.
RegisterNeutralNeutralNeutralNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)Top 2,000 (common)Top 2,000 (common)Top 2,000 (common)
CEFR levelB2A2B2B2B1
Part of speechadverbadverbadverbadverbadverb
Collocationsaltogether now, altogether different, altogether combinedcompletely 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, separatelypartially, incompletely, somewhatpartially, incompletelypartially, incompletely, slightlypartially, somewhat
Common mistakesConfused with 'all together', which means everyone or everything gathered., Omitting it in sentences where emphasis on total is needed., Using it in a place where 'completely' would be better.Using '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 'altogether' when you want to emphasize a total amount. Avoid in very formal writing; 'in total' might be better.Use '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.

See it in real clips

Completely
Entirely

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

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

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

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

Completely is the most common in everyday English.

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

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

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

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

Can you show an example of each?

Altogether: The train went slower and slower until it stopped altogether. 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 Altogether, Completely, Entirely, Fully, and Totally interchangeably?

Not always. Altogether, 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.

Related comparisons