not know from Adam

(redirected from know from Adam)

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
References in periodicals archive ?
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.
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.
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?
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.
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.