What is another word for "flash"?

Roget's Thesaurus (1911) lists these synonyms for "flash": abuse, acarpous, accent, addle, affiance, air, airy, ambiguity, anagram, anchor, and, anticipation, antiphrasis, archaic, archaism, argot, arid, aspiration, assumption, assurance, babu, balm, barbarism, barren, beam, belief, bit, black, blue, bottom, box, bright, brogue, broken, buoyancy, byword, call, cant, cheer, clear.