Get a antonym mug for your cousin Paul. Fast is an antonym of slow. n. A word having a meaning opposite to that of another word: The word "wet" is an antonym of the word "dry." See more. Information and translations of antonym in the most comprehensive dictionary definitions resource on the web. antonym definition: 1. a word that means the opposite of another word: 2. a word that means the opposite of another…. Learn more. Even when writing an email or trying to think of the perfect comeback, an online antonyms dictionary can save you time and energy. Antonym definition, a word opposite in meaning to another. A word that has an opposite meaning to another word. Life is full of antonyms, from the "stop" and "go" of a traffic signal to side-by-side restroom doors labeled "men" and "women." Definition of antonym in the Definitions.net dictionary. The term antonym (and the related antonymy) is commonly taken to be synonymous with opposite, but antonym also has other more restricted meanings. Definition of Antonyms. ‘The students can practice synonyms and antonyms on small computerized machines that give instant feedback and register a score with happy little dings and clicks.’ ‘The range of the word would be the definitions contained in the dictionary, and the field would be all the synonyms and antonyms that might be found in a thesaurus.’ Antonyms for antonym include same, synonym, aforementioned, above-mentioned, same thing, aforesaid, acknowledgement, acknowledgment, admission and avowal. An antonym is a word having a meaning opposite to that of another word, such as hot and cold, short and tall. The best thing about online dictionaries is that they are auto-updated. For instance, the antonym of 'hot' may be 'cold.' Meaning of antonym. Graded (or gradable) antonyms are word pairs whose meanings are opposite and which lie on a continuous spectrum (hot, cold). An antonyms dictionary can provide the word that is on the tip of your tongue. Another word for antonym is counterterm. A word that has the exact opposite meaning of another word is its antonym. Define antonym. An antonym is a word that means the opposite of another word. An antonym is the antonym of synonym.Adjective: antonymous. antonym synonyms, antonym pronunciation, antonym translation, English dictionary definition of antonym.