👉 Antonyms are words or phrases that have opposite meanings. They can be used to describe a person, an action, a thing, etc. for example: - Antonym of "happy" is "sad" - Antonym of "big" is "small" The term "antonym" comes from the Latin word antoxemus, which means "against." So in this sense, "antonymy" refers to the opposite meaning of something or someone.