| Vastly (adv.) To a vast extent or degree; very greatly; immensely. Thesaurus Entries abroad, almost entirely, broadly, colossally, considerably, enormously, exceedingly, extensively, extremely, far and near, far and wide, gigantically, greatly, hugely, immensely, infinitely, on all sides, on every side, prodigiously, right and left, stupendously, substantially, titanically, tremendously, very much, widely, worlds |