"dilettante" in the noun sense
1. dabbler, dilettante, sciolist
an amateur who engages in an activity without serious intentions and who pretends to have knowledge
"dilettante" in the adjective sense
1. dilettante, dilettantish, dilettanteish, sciolistic
showing frivolous or superficial interest amateurish
"his dilettantish efforts at painting"
Source: WordNet® (An amazing lexical database of English)
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