YourDictionary

What does "be down" mean?

  1. Be depressed, in low spirits, as in During the winter months Sue's always down, but spring cheers her up. [Colloquial; mid-1800s]
  2. Be knowledgeable, canny, or sophisticated, as in He was really down with the new group. This usage probably originated among jazz musicians. [Slang; mid-1940s]

link/cite print suggestion box