Synonyms of marvelous

1 Syllable
swell, grand, fab, good
2 Syllables
dandy, strange, moony, glorious, grander, fabber, striking, sweller, awful, mondo, gnarly, sightly, stunning, dandier, theurgic, sterling, tranced, turn-on, runic, superb, super, whaler, peachy, dreamy, grandest, first-rate, wondrous, strangest, witching, bang-up, splendid, dreamier
3 Syllables
hellacious, theurgical, prodigious, stupendous, unusual, majestic, demoniac, splendorous, magnific, sorcerous, wizardly, witchlike, magical, empyreal, fantastic, supreme, unmarred, surprising, breathtaking, staggering, divined, tremendous, amazing, beautiful, singular, astounding, confounding, wonderful, fabulous
4 Syllables
implausible, phenomenal, incredible, awesome, miraculous, deviative, necromantic, thaumaturgic, spectacular, talismanic, improbable, astonishing, awe-inspiring, ensorcelled, razzle-dazzle, bewildering, unlikely, best-quality, wonderworking, magnifico, remarkable
5 Syllables
super-excellent, thaumaturgical, pulchritudinous, preternatural, inconceivable, unbelievable, unprecedented, extraordinaire, extraordinary, spiritualistic, telekinetic, supernatural, superexcellent, highest-quality, introvertive
6 Syllables
phantasmagorical, unimaginable, incomprehensible
7 Syllables
parapsychological