not know someone from Adam

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Be unable to recognize someone, as in Although I have worked here for two months, I've never seen the department head; I wouldn't know her from Adam. This term refers to the biblical story about the world's first human being. As at least one writer has pointed out, differentiating someone from Adam makes little sense since he had no name and wore only a fig leaf. [Mid-1800s]

QUIZ

QUIZ YOURSELF ON "WAS" VS. "WERE"!

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.

Question 1 of 7

“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

true

false

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Words nearby not know someone from Adam

notionate, notions, notitia, not know beans, not know enough to come in out of the rain, not know someone from Adam, not know where to turn, not know whether one is coming or going, not let the grass grow under one's feet, not lift a finger, not miss a trick

How to use not know someone from Adam in a sentence

And yes, someone has already called Spencer a “Small Fry,” har har.
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For someone with anorexia, self-starvation makes them feel better.
How Skinny Is Too Skinny? Israel Bans ‘Underweight’ Models|Carrie Arnold|January 8, 2015|DAILY BEAST
I don't know why or who's doing it, but it's the legacy…and it's a legacy that is so important to the culture.
Phylicia Rashad and the Cult of Cosby Truthers|Stereo Williams|January 8, 2015|DAILY BEAST
“Someone is determined to keep Bill Cosby off TV,” she continued.
Phylicia Rashad and the Cult of Cosby Truthers|Stereo Williams|January 8, 2015|DAILY BEAST

They know they will face either a swift backlash or deafening silence.
Phylicia Rashad and the Cult of Cosby Truthers|Stereo Williams|January 8, 2015|DAILY BEAST
She is quite true, but not wise, and your left hand must not know what your right hand is doing.
Checkmate|Joseph Sheridan Le Fanu
He came to the top of the stairs with a lamp in his hand, and wanted to know what the rumpus was about.
The Bondboy|George W. (George Washington) Ogden
It seems very strange that I shall actually know Liszt at last, after hearing of him so many years.
Music-Study in Germany|Amy Fay
Kind of a reception-room in there—guess I know a reception-room from a hole in the wall.
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The policemen looked dull and heavy, as if never again would any one be criminal, and as if they had come to know it.
Bella Donna|Robert Hichens