as
as Lexical Profile
as Game Scores & Validity
• adverb
To the same degree, amount, or extent; equally (often used before an adjective or another adverb in comparisons).
"The second volume of the history series is just as informative as the first."
• conjunction
Used to indicate that something happens during the time when something else is taking place; while or when.
"She reviewed her notes one last time as the audience filed into the auditorium."
In the way or manner that; in accordance with how.
"Please leave the laboratory equipment arranged exactly as you found it."
For the reason that; because or since.
"As the archival library was closed for renovations, we accessed the digitized manuscripts online."
Used to indicate by comparison the way that something happens or is done.
"The junior researchers worked just as tirelessly as the senior faculty members did."
Even though; despite the fact that (used after a fronted adjective or adverb).
"Exhausted as they were after the expedition, the geologists immediately cataloged their mineral samples."
• preposition
Used to refer to the function, role, capacity, or character that someone or something has.
"She worked as a marine biologist for over a decade before becoming a university professor."
In the manner of; having the characteristics of; like.
"The committee unanimously viewed the proposal as a major step forward for conservation."
• pronoun
Used as a relative pronoun after 'such' or ' the same' to introduce a defining clause; that or who.
"Our team received the same training as those assigned to the central branch."
A fact or circumstance that (referring to a whole preceding or following statement).
"The annual conference was postponed until autumn, as was announced in the morning newsletter."
Word Nuance & Usage
In formal usage, 'as' is preferred over 'like' when introducing a full clause containing a subject and verb (e.g., 'do as I say'), whereas 'like' is traditionally used as a preposition before a noun phrase.
• Rhymes for as
Word Origin & Etymology
From Middle English 'as', 'als', 'also', a phonetic reduction of Old English 'eallswa' ('just as, wholly so'), a compound of 'eall' (all) and 'swa' (so).