The Collaborative International Dictionary of English v.0.48:
Superb \Su*perb"\, a. [F. superbe, L. superbus, fr. super over.
1. Grand; magnificent; august; stately; as, a superb edifice;
a superb colonnade.
2. Rich; elegant; as, superb furniture or decorations.
3. Showy; excellent; grand; as, a superb exhibition.
Superb paradise bird (Zool.), a bird of paradise
(Paradisaea superba syn. Lophorina superba) having the
scapulars erectile, and forming a large ornamental tuft on
each shoulder, and a large gorget of brilliant feathers on
the breast . The color is deep violet, or nearly black,
with brilliant green reflections. The gorget is bright
Superb warber. (Zool.) See Blue wren, under Wren.
[1913 Webster] -- Su*perb"ly, adv. -- Su*perb"ness, n.
Moby Thesaurus II by Grady Ward, 1.0:
115 Moby Thesaurus words for "superb":
Babylonian, Corinthian, admirable, august, awe-inspiring, awful,
bad, barbaric, best, boss, breathtaking, brilliant, classic, cool,
crashing, dazzling, deluxe, distinguished, divine, elaborate,
elegant, elevated, eminent, exalted, excellent, exceptional,
exquisite, extraordinary, extravagant, fabulous, famous, fancy,
fantastic, fine, first-rate, gilt-edged, glorious, godlike, golden,
gorgeous, grand, grandiose, great, heavenly, heroic, high, hot,
immense, imposing, impressive, incredible, lauded, lofty,
luxurious, magic, magnanimous, magnificent, majestic, marvelous,
matchless, mind-blowing, mind-boggling, miraculous, noble,
noteworthy, optimal, optimum, opulent, out of sight, outstanding,
palatial, peerless, perfect, plush, posh, prime, princely,
prominent, proud, renowned, resplendent, ritzy, rousing,
sensational, smashing, soaring, solid, splendacious, splendid,
splendiferous, splendorous, staggering, stately, sterling,
striking, stupendous, sublime, sumptuous, super, supereminent,
superexcellent, superfancy, superfine, superior, superlative,
swank, swanky, swell, terrific, towering, tremendous, unbelievable,
unreal, very best, wonderful