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 the end of the space, there's a Virgin-red grand staircase that leads to the fourth floor, which is largely unfinished as of the April 2023 grand opening. —Condé Nast, Condé Nast Traveler, 7 Mar. 2026

Rodriguez was at a detention center in Alabama as of Friday before she was set to be sent to Louisiana, according to her lawyer, Joel Coxander. —Elise Hammond, CNN Money, 7 Mar. 2026

Despite his absence, the Celtics sit in second place in the Eastern Conference standings as of Thursday and hold the NBA’s second-best net rating and offense. —Jay King, New York Times, 6 Mar. 2026

These were the least expensive nonstop round-trip flights from Sacramento International Airport as of Wednesday, March 4. —Sacbee.com, 6 Mar. 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