not in a million years

🌎Region: International 📊Difficulty Level:intermediate

💡Meaning

Absolutely not; there is no chance I would do that or that it will happen.

🕰️Origin

A hyperbolic time span (“a million years”) is used to emphasize impossibility or refusal; the phrasing has long been common in conversational English as an intensifier.

📝Notes

A strong, emphatic refusal or claim of impossibility. Informal/conversational and can sound blunt or emotional in polite contexts.

💬Examples

Not in a million years did I think I’d end up living abroad.
I’m not in a million years lending him my car again after what happened.
Not in a million years would she agree to quit her job without a plan.
He said he’d apologize, but not in a million years did I believe him.
Not in a million years are we paying that much for a one-night stay.

📘Grammar & Usage Notes

Usually fixed as “not in a million years,” often clause-initial or after a verb: “I’d not in a million years do that” (less common) vs. “Not in a million years would I do that.” Also common as a standalone reply.

🔗Synonyms

no way
not a chance
never in a million years
in no way
under no circumstances

↔️Antonyms

sure
definitely
absolutely
without a doubt