Definition, Meaning & Synonyms

not know someone from Adam

idiom
/nɒt noʊ ˈsʌmˌwʌn frʌm ˈædəm/
Definition
To not know someone at all; to have no familiarity or relationship with someone.
Examples
  • I met her at the party, but I don’t know her from Adam.
  • When it comes to politics, I don’t know him from Adam.
Meaning
This idiomatic expression indicates a complete lack of acquaintance with a person. It emphasizes that one doesn’t recognize or have any relationship with the mentioned individual, similar to the way one wouldn’t know a figure named Adam.
Synonyms
  • not have a clue who someone is
  • be a stranger to someone
  • be unfamiliar with someone