big–time

to a large extent or degree wow, those renovations improved the library big-time Synonyms astronomically, big-time, broadly, colossally, considerably, enormously, extensively, highly, hugely, largely, massively, monstrously, monumentally, much, sizably, staggeringly, stupendously, tremendously, utterly, vastlyRelated Words appreciably, noticeably, significantly; abundantly, amply, copiously, healthily, plentifullyNear Antonyms modestly; fractionally; imperceptibly, infinitesimally, insignificantly, invisibly, microscopically, minutely; barely, hardly, just, minimally, scarcelyAntonyms little, negligibly, nominally, slightly