now you mention it
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Used to acknowledge something as true or relevant after someone mentions it
Where it’s used:
Used
Widespread English
Examples
I hadn't thought about that in years, now you mention it
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.
Common questions
What does “now you mention it” mean?
Used to acknowledge something as true or relevant after someone mentions it
Is “now you mention it” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.