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Synonyms and Antonyms 9 -12 Grades - Softschools.com

Synonyms and Antonyms—9th-12th Grades Synonyms mean nearly the same thing; antonyms mean the opposite. Example: accelerate and quicken are synonyms accelerate and decelerate are antonyms Write a word that is a synonym for the underlined word in each sentence. If you do not know a synonym, consult a reference source, such as a thesaurus. 1.