not know (one) from Adam

(redirected from know someone from Adam)

not know (one) from Adam

To not know who one is just by looking at them; to have never met one before. Even though Jake had worked at the company for nearly 10 years, the boss still didn't know him from Adam. I don't blame them for not giving me permission right away. They don't know me from Adam.
See also: Adam, know, not
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

not know someone from Adam

Fig. not to know someone by sight at all. I wouldn't recognize John if I saw him up close. I don't know him from Adam. What does she look like? I don't know her from Adam.
See also: Adam, know, not
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

not know someone from Adam

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]
See also: Adam, know, not, someone
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

not know someone from Adam

If you don't know someone from Adam, you do not know them at all. We have one contact, who is simply a voice on the phone to us. I don't know him from Adam. These people were friends of a friend, who didn't know me from Adam. Note: According to the Bible, Adam was the first human being.
See also: Adam, know, not, someone
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

not know someone from Adam

not know or be completely unable to recognize the person in question. informal
See also: Adam, know, not, someone
Farlex Partner Idioms Dictionary © Farlex 2017

not know somebody from ˈAdam

(informal) not know who somebody is: This man came into the office and he said that he knew me. I didn’t know him from Adam, which was a bit embarrassing.
See also: Adam, know, not, somebody
Farlex Partner Idioms Dictionary © Farlex 2017

don't know from Adam

See know from Adam.
See also: Adam, know

know (someone) from Adam, doesn't/not to

Not acquainted with someone. The Adam referred to in this mid-nineteenth century term is the first human being according to the Book of Genesis. One writer suggests that the inability to recognize Adam is the height of foolishness, since he had no name and wore only a fig leaf, but this point does not seem particularly relevant. The French have a similar saying that includes Eve as well (“Je ne connais ni d’Eve ni d’Adam”).
See also: know, not, to

not know from Adam

See know from Adam.
See also: Adam, know, not
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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