very large in scale, grand and imposing, epic or heroic (often used as "Homeric");
e.g. They made a final Homeric attempt to solve the problem before giving up.
(adjective)
relating to ancient Greece during the Bronze Age, the time period described in the poems of Homer, or relating to the poet Homer or the style of epic poems that he wrote;
e.g. These villas belong to the city's Homeric days. She has been working on a Homeric novel for some years now.