no idea
The phrase "no idea" is commonly used to express a complete lack of knowledge or understanding about something.
🇺🇸 US Voice:
🇬🇧 UK Voice:
Definition
A2General
(informal)Used to indicate that one does not know or understand something.
Example
- I have no idea where my keys are.
- She had no idea what he was talking about.
B1Emphasis
(informal)Used to stress that someone is unaware of the extent or intensity of something.
Example
- You have no idea how hard this test was.
- They have no idea what it's like to live in a big city.
Similar
Terms that have similar or relatively close meanings to "no idea":