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

At least one of the other three women has also received a cease-and-desist as of Friday, April 10, reports CNN. —Madison E. Goldberg, PEOPLE, 11 Apr. 2026

Bissell has received 206 reports of the cleaners' attachments unexpectedly disconnecting from the machines as of April 9, resulting in 161 burn injuries and at least one second-degree burn. —Mary Walrath-Holdridge, USA Today, 10 Apr. 2026

Education accounts for 60% of global Chromebook market share as of 2025, boosting the Chromebook total market to $14 billion. —Marco Quiroz-Gutierrez, Fortune, 10 Apr. 2026

Prices and availability are accurate as of the time of publication and are subject to change without notice. —Advertorial, Footwear News, 10 Apr. 2026

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