as

/əz/

Middle English, from Old English eallswā likewise, just as

adverb

  1. to the same degree or amount

  2. for instance : such, as

  3. when considered in a specified form or relation —usually used before a preposition or a participle

as soft as silk

conjunction

  1. as if

  2. in or to the same degree in which —usually used as a correlative after an adjective or adverb modified by adverbial as or so

  3. in the way or manner that

He looks as he had seen a ghost.

pronoun

  1. that, who, which —used after same or such and chiefly dialect after a substantive not modified by same or such

  2. a fact that