NTUMC+ Open Multilingual Wordnet 0.9

impegnativo, difficile, arduo, difficoltoso, duro

difficult, hard

not easy; requiring great physical or mental effort to accomplish or comprehend or endure

impegnativo, pignolo, sofistico, meticoloso, severo, esigente, pedante, minuzioso

demanding

requiring more than usually expected or thought due; especially great patience and effort and skill

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