Antonyms of adj dilettantish

1 sense of dilettantish

Sense 1
dilettante, dilettantish, dilettanteish, sciolistic -- (showing frivolous or superficial interest; amateurish; "his dilettantish efforts at painting")

INDIRECT (VIA superficial) -> profound -- (showing intellectual penetration or emotional depth; "the differences are profound"; "a profound insight"; "a profound book"; "a profound mind"; "profound contempt"; "profound regret")

Similarity of adj dilettantish

1 sense of dilettantish

Sense 1
dilettante, dilettantish, dilettanteish, sciolistic -- (showing frivolous or superficial interest; amateurish; "his dilettantish efforts at painting")
       => superficial (vs. profound) -- (concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually; "superficial similarities"; "a superficial mind"; "his thinking was superficial and fuzzy"; "superficial knowledge"; "the superficial report didn't give the true picture"; "only superficial differences")