The Collaborative International Dictionary of English v.0.48:
Dilettantish \Dil`et*tant"ish\, a. Dilettanteish. [1913 Webster]WordNet (r) 3.0 (2006):
dilettantish adj 1: showing frivolous or superficial interest; amateurish; "his dilettantish efforts at painting" [syn: dilettante, dilettantish, dilettanteish, sciolistic]