Synonyms for excellent in Free Thesaurus. Antonyms for excellent. 84 synonyms for excellent: outstanding, good, great, fine, prime, capital, noted, choice, champion ... Synonyms for EXCELLENT: superb, capital, fine, prime, first-class, superior, great, a-one, bully; Antonyms for EXCELLENT: poor, imperfect, inferior, bad, failing ... Find 89 words and phrases that mean excellent, such as best, superb, wonderful, and terrific. Also, see the opposite of excellent, such as bad, poor, and awful. Synonyms for EXCELLENT in English: outstanding, good, great, fine, prime, capital, noted, choice, champion, cool, …