Meaning of “I must be hearing things” in the English Dictionary

british dictionary

"I must be hearing things" in British English

See all translations

I must be hearing things

humorous

said when you cannot believe something because it is so unlikely:

He's offered to wash the dishes - I must be hearing things.

(Definition of “I must be hearing things” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)