Answer:An antonym is a word or phrase that has the opposite meaning of another word or phrase. It can be used to expand the meaning of a word by providing its opposite, which can help to clarify its meaning or provide additional context. Antonyms are an important part of language and can be used to create contrast, emphasize a point, or convey a specific tone or mood. For example, the antonym of "hot" is "cold," and the antonym of "happy" is "sad."
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