Not have a clue
expression
To have no knowledge about something.
I do not have a clue about how she managed to finish the project in one day.
Often appears as...
- don't have a clue
- never have a clue
Usage tips
Informal
Idiomatic
expression
To be completely confused or puzzled.
The child looked at the math problem and said, 'I don't have a clue.'
Often appears as...
- absolutely do not have a clue
- really not have a clue
Usage tips
Informal
Idiomatic
expression
To have no knowledge about something.
I do not have a clue about how she managed to finish the project in one day.
Often appears as...
- don't have a clue
- never have a clue
Usage tips
Informal
Idiomatic
expression
To be completely confused or puzzled.
The child looked at the math problem and said, 'I don't have a clue.'
Often appears as...
- absolutely do not have a clue
- really not have a clue
Usage tips
Informal
Idiomatic
Definition 1 of 2
Pro Tip 1/3Lack of Knowledge
Use it when you completely lack knowledge on a subject, not just when you're unsure.
I've never studied Italian, I don't have a clue about it.
Pro Tip 2/3No Insight Needed
It's an admission that you can't provide information or insight about a subject.
When it comes to fixing cars, I don't have a clue.
Pro Tip 3/3Emphasizing Ignorance
Use alongside phrases like 'at all' or 'whatsoever' to emphasize complete ignorance.
Regarding quantum physics, I don't have a clue at all.
Pro Tip 1/3Lack of Knowledge
Use it when you completely lack knowledge on a subject, not just when you're unsure.
I've never studied Italian, I don't have a clue about it.
Pro Tip 2/3No Insight Needed
It's an admission that you can't provide information or insight about a subject.
When it comes to fixing cars, I don't have a clue.
Pro Tip 3/3Emphasizing Ignorance
Use alongside phrases like 'at all' or 'whatsoever' to emphasize complete ignorance.
Regarding quantum physics, I don't have a clue at all.
Pro Tip 1/3Lack of Knowledge
Use it when you completely lack knowledge on a subject, not just when you're unsure.
I've never studied Italian, I don't have a clue about it.
Pro Tip 2/3No Insight Needed
It's an admission that you can't provide information or insight about a subject.
When it comes to fixing cars, I don't have a clue.
Pro Tip 3/3Emphasizing Ignorance
Use alongside phrases like 'at all' or 'whatsoever' to emphasize complete ignorance.
Regarding quantum physics, I don't have a clue at all.
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