C0491800 (kə-lŏs′əl)adj.1. Of great size, extent, or amount; immense. See Synonyms at enormous.2. Of great scope or consequence; monumental: a colossal blunder.[French, from Latin colossus, colossus; see colossus.]co·los′sal·ly adv.TranslationscolossalmenteколоссальноEncyclopediaSeecolossal