Dictionary.com
definitions
  • synonyms

Idioms and Phrases with be down

be down

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]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.