not know (one) from Adam

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not know (one) from Adam

To not know who one is just by looking at them; to have never met someone 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

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

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

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

not know someone from Adam

not know or be completely unable to recognize the person in question. informal
See also: Adam, know, not, someone

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

not know from Adam

See know from Adam.
See also: Adam, know, not
References in periodicals archive ?
Immediately, the guy beside me, who I didn't know from Adam, blurted, "Kuya, 'Shape of You.'" Oh, okay.
'Was the father killed as a warning to the son so the latter could fully 'cooperate', as he did, in concocting all those lies about me and my alleged dealings with him (who I absolutely do not know from Adam)?' she added.
So I'm going to make a plea on behalf of Mr Holbrook who, it has to be said, I don't know from Adam: Give the man a chance!
I've heard him cracking jokes with the postman, meter reader and parcel delivery boy - all people he doesn't know from Adam - after shouting and swearing at his wife.
Does anybody seriously believe that the Prime Minister of the United Kingdom sits around deliberately concocting letters to offend recently-bereaved mothers he doesn't know from Adam? That he somehow gets his kicks from rubbing salt into the wounds of people at an emotional low?
It may never happen!" This always sets the conversation on a downward spiral, since I react very badly to being addressed as "mate" by people I don't know from Adam. Just ask any van driver who has ever paused to ask me for directions.
The weapon used was a bladed instrument, which was probably a knife, although we cannot be sure at this stage because we know from Adam's injuries that the blade is likely to be over 20cm long or even longer.'
Mrs Wilby, of Tynemouth, said: "It was weird to get a call from someone who you do not know from Adam, to say that he was holding such personal details.
As you might expect of your 'man on the street', I was strolling down the road minding my own business when a bloke I didn't know from Adam tapped me on the shoulder and asked: 'Are you silly, naive, or both?'
A man and a woman ``I did not know from Adam'' came over to help and after she composed herself they helped her to the adjacent post office.
As a working mum, I'm tempted but incredibly nervous about handing them over to a group of strangers I don't know from Adam.
Because where was mum when her daughter was walking down the aisle with a man she didn't know from Adam? And why the Hell didn't she stop her?
There are plenty of people given parts in shows who I wouldn't know from Adam but who are perfectly entertaining and go on to great things.
Glad to be of help Sal (who I don't know from Adam).