as of

preposition

: on, at, from

—used to indicate a time or date at which something begins or ends

takes effect as of July 1

As of now, it's difficult to tell in a cancer's early stage which patients have which kind of tumor.

—Melinda Beck

As of last year [2010], women held 51.4 percent of all managerial and professional positions, up from 26 percent in 1980 …

—Kate Bolick

Examples of as of in a Sentence

Recent Examples on the Web

Blancas pointed to a more recent report that showed the authority had spent $12.4 billion as of the end of February 2024. —Nate Trela, USA TODAY, 14 May 2024

Authorities were still looking for the third teenager as of Tuesday afternoon. —Nathan Solis, Los Angeles Times, 14 May 2024

Word History

First Known Use

1781, in the meaning defined above

Kids Definition

as of

preposition

: on entry 1 sense 3, at

we begin work as of Tuesday

as of the moment, things are fine