1. (a.) Of enormous size; gigantic; huge; as, a colossal statue.

2. (a.) of a size larger than heroic. See Heroic.

Atlantean Brobdingnagian Cyclopean Gargantuan Herculean Homeric Olympian abysmal aerial airy altitudinous amplitudinous ascending aspiring astronomic astronomical awe-inspiring awesome boundless bulky cosmic cyclopean dominating elephantine elevated eminent enormous epic ethereal exalted extensive extraordinary galactic gangling gangly gargantuan giant giantlike gigantic haughty heroic high high-pitched high-reaching high-set high-up huge immeasurable immense incredible infinite jumbo king-size lank lanky large leggy lengthy lofty long long-legged mammoth massive massy mighty monster monstrous monumental mountainous mounting outsize outtopping overgrown overlooking overtopping overwhelming prodigious profound prominent rangy sizable soaring spacious spectacular spiring staggering statuesque steep stupendous sublime superlative supernal tall titanic topless toplofty topping towering towery tremendous unbelievable uplifted upreared vast voluminous weighty wonderful