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 of as to

• regarding
• toward
• as far as
• concerning
• about
• on
• as for
• as regards
• of

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

If so, another of the paintings in the show would appear to advise the traveler as to how to identify one’s home in this transient existence. — Barry Schwabsky, ARTnews.com, 8 Sep. 2026

Police and lifeguards were unsure as to the most recent jumping fatality, with one official pointing to the 2019 death of 15-year-old Anthony Womack, a National City resident. — Andrew J. Campa, Los Angeles Times, 8 Sep. 2026

The evening was beautiful, strange, and so far removed from the prerogatives of retail as to suggest that its entire purpose was not to have one. — Lauren Collins, New Yorker, 7 Sep. 2026

How could lay people, in light of these instructions, come to a unanimous conclusion as to what Clancy was thinking? — Richard E. Vatz, Baltimore Sun, 6 Sep. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for as to

• accrue
• ado
• ainu
• aircrew
• airscrew
• anew
• askew
• baboo
• babu
• bamboo
• beaucoup
• bijou

Kids Definition

as to

preposition

1

: with respect to : about

confused as to what happened

2

: according to sense 1

graded as to size