Almost vs On an almost

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

Almost

Top 1,000 (very common)A2adverb

On an almost

Beyond 10,000 (less common)
Most common: Almost
 AlmostOn an almost
Pronunciation🇬🇧 /["/ˈɔːlməʊst/"]/🇺🇸 /["/ˈɔːlməʊst/"]/🇬🇧 //ɒn ən ˈɔːlməʊst//🇺🇸 //ɑn ən ˈɑlməʊst//
Meaningnot quite, but very close to somethingA phrase used to describe being very close to something.
ExampleI almost forgot to bring my umbrella today.She was on an almost perfect score in the exam.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelA2-
Part of speechadverb
Collocationsalmost finished, almost there, almost perfect, almost everyone, almost neveron an almost daily basis, on an almost regular schedule, on an almost complete level
Antonymscompletely, totally, entirely-
Common mistakes'Almost' used with a negative word (e.g., 'almost not') which creates confusion., Confusing 'almost' with 'nearly' as they have similar meanings but may differ in nuance., Using 'almost' where 'just' would be more appropriate.Omitting the word 'an' and saying 'on almost'., Using it as a standalone sentence., Incorrectly expressing certainty instead of approximation.
Usage notesUse 'almost' to indicate something is nearly true or happening. It's commonly used in both spoken and written English. Avoid overusing it to prevent sounding vague.Use when describing situations that are nearly true or nearly accomplished; avoid in formal writing.

See it in real clips

Almost
On an almost

Frequently asked questions: Almost vs On an almost

What's the difference between Almost and On an almost?

Almost: not quite, but very close to something On an almost: A phrase used to describe being very close to something.

Which is more common: Almost and On an almost?

Almost is the most common in everyday English.

Can you show an example of each?

Almost: I almost forgot to bring my umbrella today. On an almost: She was on an almost perfect score in the exam.

Can I use Almost and On an almost interchangeably?

Not always. Almost and On an almost 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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