your guess is as good as mine
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Recognized English idiom; full definition pending editorial review.
Where it’s used:
Used
Widespread English
Examples
We sent out a mayday, but your guess is as good as mine if anyone heard it.
' Your guess is as good as mine, ' he admitted.
British National Corpus sentence via the MAGPIE corpus (CC BY 4.0, retrieved 2026-07-30)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review.
Common questions
What does “your guess is as good as mine” mean?
Recognized English idiom; full definition pending editorial review.
Is “your guess is as good as mine” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.