know (someone) from Adam, doesn't/not to(redirected from doesn't know from Adam)
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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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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”).
not know from Adam
See know from Adam.
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer