extraordinarily great in size, extent, or degree; gigantic; huge.

of or resembling a colossus.

( initial capital letter ) Architecture . noting or pertaining to a classical order whose columns or pilasters span two or more stories of a building.

adjective

small , teeny , tiny

adjective

barn door , behemothic , blimp * , cyclopean , elephantine , enormous , gargantuan , giant , gigantic , huge , humongous * , immense , jumbo , mammoth , mondo , monstrous , mountainous , super , titanic , vast , behemoth , brobdingnagian , bunyanesque , gigantesque , herculean , heroic , massive , massy , mastodonic , mighty , monster , monumental , prodigious , pythonic , stupendous , tremendous , big , grand , great , humongous