Completely vs Hundred

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

Completely

Top 1,000 (very common)A2adverb

Hundred

Top 1,000 (very common)A1
 CompletelyHundred
Pronunciation🇬🇧 /["/kəmˈpliːtli/"]/🇺🇸 /["/kəmˈpliːtli/"]/🇬🇧 /["/ˈhʌndrəd/"]/🇺🇸 /["/ˈhʌndrəd/"]/
MeaningTotally or fully.The number 100.
ExampleI completely forgot about the meeting today.There are a hundred students in the school.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2A1
Part of speechadverb
Collocationscompletely agree, completely understand, completely satisfied, completely different, completely unawarehundred percent, hundred times, a hundred years
Antonymspartially, incompletely, somewhatzero, none, nothing
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.Confusing 'hundred' with 'hundreds' when referring to unspecified amounts., Incorrectly spelling it as 'hundreth'.
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 in everyday contexts, 'hundred' is appropriate for both spoken and written language. Avoid using it in overly formal writing unless specifying counts (e.g., financial reports).

See it in real clips

Completely
Hundred

Frequently asked questions: Completely vs Hundred

What's the difference between Completely and Hundred?

Completely: Totally or fully. Hundred: The number 100.

Which is more advanced: Completely and Hundred?

Completely is the highest level, at A2, on the CEFR scale.

Are Completely and Hundred the same CEFR level?

Completely: A2, Hundred: A1 on the CEFR scale.

Can you show an example of each?

Completely: I completely forgot about the meeting today. Hundred: There are a hundred students in the school.

Can I use Completely and Hundred interchangeably?

Not always. Completely and Hundred 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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