Definition, Meaning & Synonyms

you have no idea, you've no idea

idiomatic expression
/juː hæv noʊ ˌɪˈdiə, juːv noʊ ˈɪdiə/
Definition
A phrase used to emphasize that someone lacks understanding or knowledge about a particular situation or topic.
Examples
  • You have no idea how much effort it took to finish this project.
  • When I told her about my trip, she said, ‘You’ve no idea how amazing it was!’
  • He thinks he knows everything about this topic, but he really has no idea.
Meaning
This expression conveys that the speaker believes the listener is unaware of important details or context, often implying that the truth of the matter is significant or surprising.
Synonyms
  • You don’t know the half of it.
  • You have no clue.
  • You are oblivious.