Synonyms for Thinness

Scantiness
austerity dearth exiguity infrequency insufficiency	meanness parsimony paucity poverty rarity	scantiness scarcity slim pickings smallness sparsity	stringency thinness tightness

Superficiality
big deal deadness emptiness flippancy foolery foolishness	frivolity futility idleness inanity jest	levity lightness shallowness superficiality thinness	triviality vacancy vacuity vanity volatility