not have a clue(redirected from Without a Clue)
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not have a cluealso without a clue
to have no knowledge or information about something The guy doesn't have a clue what forestry is all about.
Usage notes: sometimes used in the form have a clue: Before most doctors have a clue about what a new drug can do, it's being sold to the public.
not have a clue
Have no idea or inkling about something, as in Jane doesn't have a clue as to why John won't call her, or Do you know what's wrong with the boiler?-No, I haven't a clue. This usage was first recorded in 1928.