Questions relating to words which are sometimes their own antonyms.
A good example of a question about auto-antonyms is:
How did “strike” get its baseball meaning?
In this question, the auto-antonym in question is strike, which in baseball can mean either hitting or missing the ball.
Other names for auto-antonyms are: auto-antonym (sometimes spelled autantonym), contranym (originally spelled contronym), antagonym, Janus word (after the Roman god), enantiodrome, self-antonym, antilogy, and addad.