Does it make sense or not to use this form…

A is as X as B is Y

…if X and Y are antonyms? For example "He is as tall as she is short" to say that he is very tall?

  • 1
    "Coal is as white as milk is black" is a way to say that coal is black.
    – Yellow Sky
    Commented Jun 13, 2020 at 12:40
  • @YellowSky What? Coal is as white? What is going on ...
    – AIQ
    Commented Jun 14, 2020 at 3:01

2 Answers 2


I believe this is fine. The usage in your example is a way of contrasting the heights of the two people.

  • 1
    I am not sure about this answer. Can you add some sources please? May be a few different examples would be great.
    – AIQ
    Commented Jun 13, 2020 at 11:22
  • @AIQ, I remember reading this type of expression, but I have no idea where, and the authors I most often read would not be accepted as authorities for English usage anyway.
    – Peter
    Commented Jun 14, 2020 at 2:55
  • I remember sth like this too. And now it's kind of bugging me because I can't put a finger on it. I don't remember what this sort of comparison is called.
    – AIQ
    Commented Jun 14, 2020 at 2:59

Yes, it's indicating that the degree of difference is the same.

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