which is which

What particular one is what particular one, or what is the difference between different ones. For example, These twins look so much alike I can't tell which is which, or Both our raincoats are tan; do you know which is which? This idiom was first recorded about 1412.


Nearby words

  1. wheyface,
  2. wheyish,
  3. whf,
  4. whf.,
  5. which,
  6. which way the wind blows,
  7. whichever,
  8. whichsoever,
  9. whichway,
  10. whicker

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