Antonym meaning: Antonym definition

Antonym definition: a word opposite in meaning to another. Fast is an antonym of slow.. See examples of ANTONYM used in a sentence. Learn what an antonym is and how to use it in writing. Find out the different types of antonyms, such as complementary, gradable, and relational, and see examples of each. Antonyms are words with opposite meanings, such as good and bad. Learn about graded and complementary antonyms, how to form antonyms with prefixes, and why antonyms are important for writing and vocabulary. The most common gradable adjectives can be grouped into pairs of opposites (antonyms) which refer to features like height: short – tall; heat: hot – cold, size; big – small, etc.