n. 1 master, maestro, expert, genius, talent, prodigy, old hand, Colloq wizard, whiz or whizz or wiz, whiz-kid or whizz-kid, Chiefly Brit dab hand, US maven or mavin Walter is a veritable virtuoso on the harmonica
adj. 2 masterful, masterly, expert, talented, brilliant, dazzling, bravura, prodigious, excellent, superb, extraordinary, exceptional, superior, first-rate, superlative, matchless, peerless, sterling, marvellous, remarkable His virtuoso performance of the B minor sonata won him a standing ovation