“Your guess is as good as mine” is an informal way of admitting that the answer is unknown. It presents the speaker as having no better basis for a prediction or answer than the listener.
ReviewedEvidence1 sourceSectionPhrases & Idioms
Quick answer
An informal way to say that the speaker does not know the answer and has no better information than the other person.
Key details
Canonical Formyour guess is as good as mine
Core Meaningan informal way to say that the speaker does not know the answer and has no better information than the other person
Further guidance
History Boundary
Current dictionary-supported meaning is published without claiming an exact inventor, coinage date, or absolute first use.
Meaning
an informal way to say that the speaker does not know the answer and has no better information than the other person
Usage Boundary
Use it for acknowledged uncertainty; it does not mean that either person’s guess is verified or especially reliable.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
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“Keep Your Options Open” means to delay a final choice so that different possibilities remain available. The guide stays with current documented meaning and does not add unsupported origin chronology.
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Actionable Indication of Interest is a current federal securities-regulation defined term. This guide preserves the rule-specific definition and boundaries instead of replacing it with informal market shorthand.
