the GNU version of the Collaborative International Dictionary of English
adj. Dilettanteish.
The Century Dictionary and Cyclopedia
Inclined to or characterized by dilettantism.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. showing frivolous or superficial interest; amateurish
Word Usage
"After the Stuttgart match, Veh termed his team's defensive performance "dilettantish," adding to reporters that "the number of goals we let in is deadly for a coach.""