have no idea — to not know anything about something at all
Part of speech: NOUN
Definition: to not know anything about something at all
Pronunciation (IPA): /hæv noʊ aɪˈdiə/
Example Sentences
- "Where's my phone?" "I have no idea. Maybe check the fridge?"
- He had no idea his shirt was inside out all day at school.
- Scientists have no idea how many species live in the deep ocean.
have no idea
NOUN[/hæv noʊ aɪˈdiə/]
to not know anything about something at all

When asked about the missing cake, the kids have no idea what happened.

HAVE(possess) + NO(zero) + IDEA(thought) — possessing absolutely NO(zero) IDEA(thought) about the map, the lost tourist stood completely confused.

Lost in the massive, unfamiliar area, the driver panicked because he had absolutely no idea where to go.
Got the picture? Now let's practice.
🎤Pronunciation
🌳Etymology
🎵Rhyme
🔗Collocations
📝Examples
“"Where's my phone?" "I have no idea. Maybe check the fridge?"”
“He had no idea his shirt was inside out all day at school.”
“Scientists have no idea how many species live in the deep ocean.”
“I have no idea why the teacher gave us three hours of homework.”
“She has no idea how much her family loves her.”
📚Related Words
Want to master 27,000+ words?
Sign up free for flashcards & quizzes.