Meaning of “almost” - Learner’s Dictionary

almost

adverb uk us /ˈɔːlməʊst/

A2 If something almost happens, it does not happen but it is very close to happening:

I almost missed the bus.
almost always/everyone/half, etc

not always/everyone/half, etc but very close to it:

He's almost always late.
Almost everyone I know likes chocolate.

(Definition of “almost” from the Cambridge Learner’s Dictionary © Cambridge University Press)