Definition of "almost" in English

adverb

1. Very close to, but not quite.

   • Almost all people went there.
   • We almost missed the train.
   • Nobody, or almost, noticed anything unusual.

2. (mathematics) Up to, except for a negligible set (where negligible is not universally but contextually defined).

   • almost all
   • almost no

noun

1. (informal) Something or someone that doesn't quite make it.

   • In all the submissions, they found four papers that were clearly worth publishing and another dozen almosts.