Before is a preposition, an adverb and a conjunction. Before means earlier than the time or event mentioned: …

The meaning of BEFORE is in advance : ahead. How to use before in a sentence.

1. In advance of the time when: See me before you leave. 2. Rather than; sooner than: I will die before I will betray my country.

BEFORE definition: previous to; earlier or sooner than. See examples of before used in a sentence.

adv. in front; in advance; ahead: The king entered with macebearers walking before. in time preceding; previously: If we'd known before, we'd have let you know. earlier or sooner: Begin …

There are 38 meanings listed in OED's entry for the word before, four of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Definition of before preposition in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

You use before when you are talking about time. For example, if something happened the day before a particular date or event, it happened during the previous day.

before meaning, definition, what is before: earlier than a particular event or actio...: Learn more.

BEFORE meaning: 1 : at an earlier time; 2 : to or toward the place where someone is going in advance