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

But for Cubans like himself, who don’t have family in the United States, the service is so expensive as to be out of reach. — Rick Jervis, USA Today, 1 July 2026

Chalsma’s unstinting vociferousness, which sometimes seems over the top, leaves little doubt as to who shaped Coriolanus’ martial character. — Theater Critic, Los Angeles Times, 1 July 2026

Nothing is certain until it’s confirmed, but this week saw a new clue as to when the iPhone 18 Pro will be released to the public. — David Phelan, Forbes.com, 30 June 2026

While the board passed the budget on June 22, the mayor has been mum as to his political future. — Joe Marusak, Charlotte Observer, 30 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