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

During his playing years, Năstase was a notorious prankster who seemed as determined to get a rise out of his opponents as to best them on the court. —Christopher Vourlias, Variety, 19 May 2024

There needs to be justification as to why someone’s doing it. —Christopher Cameron, The Hollywood Reporter, 18 May 2024

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