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

Strong winds are occurring but are not so strong as to warrant a High wind warning. —Ca Weather Bot, Sacbee.com, 3 Jan. 2026

That will provide critical clues as to how the situation will unfold. —Jason Ma, Fortune, 3 Jan. 2026

That gives us a hint as to what is likely to happen in this case. —Isaac Chotiner, New Yorker, 3 Jan. 2026

Those findings, published in 2020, contradicted the earlier hypothesis and raised doubts as to whether the species should be considered a hominin at all. —Cody Cottier, Scientific American, 2 Jan. 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