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

The field for the nine council seats is crowded, with 24 candidates having filed petitions as of Aug. 12. —Scott Wartman, The Enquirer, 12 Aug. 2025

The attack comes as cops fight a 22% jump in rapes for the year as of Aug. 3, with 1,196 attacks this year compared with 976 by this time last year. —Thomas Tracy, New York Daily News, 12 Aug. 2025

The Bronco and Indian Creek Fires, both on tribal land in eastern Arizona, remained uncontained as of Aug. 11, 2025. —Julie Mendes, AZCentral.com, 12 Aug. 2025

Both men were in U.S. Marshal custody as of July 7 records. —Matthew Cupelli, IndyStar, 12 Aug. 2025

Word History

First Known Use

1781, in the meaning defined above

Rhymes for as of

• above
• foxglove
• hereof
• thereof
• whereof
• dove
• glove
• love
• shove
• hereinabove

Kids Definition

as of

preposition

: on entry 1 sense 3, at

we begin work as of Tuesday

as of the moment, things are fine