adj. 25B6; adjective
tremendous sums of money : HUGE, enormous, immense, colossal, massive, prodigious, stupendous, monumental, mammoth, vast, gigantic, giant, mighty, epic, titanic, towering, king-size(d), gargantuan, Herculean; substantial, considerable; informal whopping, thumping, astronomical, humongous; Brit. informal whacking, ginormous.
a tremendous explosion : VERY LOUD, deafening, ear-splitting, booming, thundering, thunderous, resounding.
(informal) I've seen him play and he's tremendous : EXCELLENT, splendid, wonderful, marvellous, magnificent, superb, glorious, sublime, lovely, delightful, too good to be true; informal super, great, amazing, fantastic, terrific, sensational, heavenly, divine, gorgeous, grand, fabulous, fab, awesome, to die for, magic, ace, wicked, mind-blowing, far out, out of this world; Brit. informal smashing, brilliant, brill; N. Amer. informal boss; Austral./NZ informal beaut, bonzer; Brit. informal, dated champion, wizard, corking, ripping, spiffing, top-hole; N. Amer. informal, dated swell.
tiny, small, poor.