Some English words can mean two opposite things. Learn how contronyms work, with clear examples like dust, left, and sanction.

Kine was once a common plural of cow in English. Learn where it came from, why it faded, and how you may still see it in older writing.

[sic] shows that a quote is copied exactly, even if it contains an error. Here is what it means, where it comes from, and how to use it.