38 synonyms for epic such as arduous, chronicle, homeric, herculean, and ambitious. Epic is a noun, and its antonyms are insignificant and trivial.
Chronicle, fable, folk story, folk tale, heroic poem, history, lay, legend, long poem, long story, myth, romance, and saga.
Homeric, Miltonian, bombastic, extravagant, grand, grandiloquent, heroic, high-flown, high-sounding, lofty, long, monumental, and vast.
Herculean, ambitious, arduous, extraordinary, grand, heroic, huge, monumental, very great, very large, and very long.