as to

preposition

1

: as for, about

at a loss as to how to explain the error

2

: according to, by

graded as to size and color

Synonyms

• about
• apropos
• apropos of
• as far as
• as for
• as regards
• as respects
• concerning
• of
• on
• regarding
• respecting
• touching
• toward
• towards

Examples of as to in a Sentence

I'm in a quandary as to how to deal with the problem.

Recent Examples on the Web

Additionally, in September last year, Ukrainian forces downed a Russian drone that had a Starlink terminal integrated with its systems, raising questions as to how secure Starlink's operations during the Ukraine war are. —Thomas G. Moukawsher, Newsweek, 6 Feb. 2025

Taylor Swift, stealing screen time One explanation often as to why the league might want to put their thumb on the scale to help the Chiefs get to the Super Bowl is that the team is great for ratings. —David Hill, Rolling Stone, 6 Feb. 2025

In some cases, the pivot can be understood as appealing not so much to Trump as to his hard-core supporters, who see an affront to him as an affront to them all. —Steven Zeitchik, The Hollywood Reporter, 6 Feb. 2025

The director and myself are concerned as to whether, during a public presentation, this might offend the laws of censorship. —Thomas Chatterton Williams, The Atlantic, 6 Feb. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

as to

preposition

1

: with respect to : about

confused as to what happened

2

: according to sense 1

graded as to size