not have the first idea

To be completely unaware of or know no information about something. I asked for help because I don't have the first idea about this new computer system.

See also: first, have, idea, not

Idioms browser ?

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not have a snowball's chance in hell
not have a snowball's chance in hell and not a hope in hell
not have a stitch of clothes
not have a stitch of clothes (one)
not have a stitch of clothing (one)
not have a stitch on
not have a...bone in your body
not have a/the ghost of a chance
not have all (one's) buttons
not have all (one's) marbles
not have all day
not have all marbles
not have an earthly chance
not have any of (something)
not have anything on
not have anything on (someone or something)
not have it
not have much between the ears
not have one's heart in it
not have the face
not have the face (to do something)
not have the faintest
not have the faintest (notion)
not have the faintest idea
not have the faintest/foggiest
not have the first idea
not have the foggiest
not have the foggiest (notion)
not have the foggiest idea
not have the ghost of a chance
not have the heart
not have the heart to
not have the heart to do
not have the slightest idea
not have the stomach for (something)
not have the stomach for something
not have two (something) to rub together
not have two brain cells to rub together
not have two brain cells, pennies, etc. to rub together
not have two nickels to rub together
not have two pennies to rub together
not have two to rub together
not having any
not hear a dicky bird
not hear of (something)
not hear of something
not hold (one's) breath
not hold (one's) liquor
not hold a candle to (someone or something)
not hold a stick to
not hold a stick to (someone or something)
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Full browser ?

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not have any part of
not have anything on
not have anything on (someone or something)
not have anything to do with
not have anything to do with someone or something
not have anything to do with something
not have anything to dp with
not have heart in
not have her heart on it
not have her heart on something
not have his heart in it
not have his heart in something
not have it
not have much between the ears
not have my heart in it
not have my heart in something
not have one's heart in
not have one's heart in (something)
not have one's heart in it
not have one's heart in something
not have our hearts in it
not have our hearts in something
not have the face
not have the face (to do something)
not have the face to
not have the faintest
not have the faintest (notion)
not have the faintest idea
not have the faintest notion
not have the faintest/foggiest
not have the first idea
not have the foggiest
not have the foggiest (notion)
not have the foggiest idea
not have the foggiest notion
not have the ghost of a chance
not have the heart
not have the heart for
not have the heart for something
not have the heart to
not have the heart to
not have the heart to
not have the heart to
not have the heart to
not have the heart to do
not have the slightest idea
not have the stomach
not have the stomach for
not have the stomach for (something)
not have the stomach for something
not have their hearts in it
not have their hearts in something
not have two (something) to rub together
not have two brain cells to rub together
not have two brain cells, pennies, etc. to rub together
not have two nickels to rub together
not have two pennies to rub together
not have two something to rub together
not have two to rub together
not have your heart in it
not have your heart in something
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