as to something
Proposed by a contributor, not yet supported by evidence.
Meaning · English
regarding or concerning something
Literally: in relation to
Register: neutral
Examples
I have doubts as to his ability to lead.
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Everyday learner phrase (CEFR C1); level cross-referenced from published learner lists. Definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-08-01; pending editor spot-check.
Common questions
What does “as to something” mean?
regarding or concerning something Literally: in relation to
Is “as to something” formal or informal?
as to something is generally neutral.