Meaning & use
have no clue
Last updated
Meanings
phraseidiominformal
to not know or understand something at all
Grammar: Often followed by 'about' or a question word: I have no clue about cars. / I have no clue where she went.
Patterns
- have no clue about something
- have no clue what/where/why …
- have no clue how to do something
I have no clue where I left my keys—maybe in the kitchen?
She has no clue about computers, so I help her with email.
We had no clue that the store was closed on Sundays.
phraseidiominformal
to be completely unable to understand something because it is confusing or unreasonable
Grammar: Used when something seems crazy or illogical: I have no clue what he's thinking.
Patterns
- have no clue what someone is doing
- have no clue why …
I have no clue why he quit such a good job.
The teacher had no clue what the student was trying to say.
Common combinations
- have absolutely no clue
- I have absolutely no clue how to fix this printer.
- have no clue about
- He has no clue about fashion and wears the same shirt every day.
- not have a clue
- She doesn't have a clue what's going on in the meeting.
Synonyms and how they differ
- have no idea
- This is slightly more neutral and can be used in more situations; 'have no clue' sounds a bit more informal and emphatic.
- be clueless
- This describes a person who generally doesn't understand things, while 'have no clue' is usually about one specific thing.
Word family
- clueless adjective
- meaning completely without knowledge or understanding
Commonly confused: have no clue or have no clues?
have no clue vs have no clues
This is not the idiom. 'Have no clue' is fixed and never uses a plural 'clues'.
Practice
Complete the sentence: I have no clue ___ to solve this math problem.
Choose one answer.
'How' fits because it introduces the way to do something. 'What' would need a noun after it (what to do), and 'which' and 'who' don't fit the meaning of solving a problem.
Make it your own
Write a sentence using “have no clue”, then check it and compare it with the examples above.