Source : Webster's Revised Unabridged Dictionary (1913)

Tinselly \Tin"sel*ly\, a.
   Like tinsel; gaudy; showy, but cheap.

Tinselly \Tin"sel*ly\, adv.
   In a showy and cheap manner.

Source : WordNet®

tinselly
     adj : glittering with gold or silver [syn: {clinquant}, {tinseled}]