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

His drawling, winking charm is front and center, and his attraction to our heroine feels both genuine and even quite protective, but his violent streak is so blasé as to be unnerving. —Guy Lodge, Variety, 7 June 2026

Pasandideh said they were not given an explanation as to why some of the visas were not issued. —Alexandra Mendoza, San Diego Union-Tribune, 7 June 2026

From this follow both the political dimension and a certain form of ignorance as to the source of so much unhappiness—and not only on the family front. —Nina Mesfin, New Yorker, 7 June 2026

The evening event in Portland is taking place two days before a Democratic primary that is still seen as Platner's to win, but which could provide clues as to whether enthusiasm for his iconoclastic candidacy has softened. —ABC News, 7 June 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