size down

size down (third-person singular simple present sizes down, present participle sizing down, simple past and past participle sized down)

1. To wear a smaller size of clothing.

   If your shirt is baggy, you can size down .

2. (transitive, dated) To consider thoroughly so as to form an opinion of; to size up.
   • 1912, Arthur Conan Doyle, The Lost World […], London, New York, N.Y.: Hodder and Stoughton, →OCLC:

     "So I sized you down, and I'm bound to say that you came well out of it."

• downsize