herculean Synonyms

powerful monumental robust sinewy strapping strenuous strong stupendous superhuman swingeing rasper pythonic prodigious mountain mountainous muscled muscular onerous oversize palestric pharaonic terrific thewy humongous barn door jumbo king-size king-sized broad-shouldered larger-than-life boxcar muscle-bound grueling whopping titanic toilsome tough towering tremendous uphill vast vasty walloping largest arduous difficult elephantine enormous epic exhausting