difettoso significa in inglese

bad [worse, worst]▼(faulty; not functional)
adjective
[UK: bæd] [US: ˈbæd]

defective▼(having one or more defects)
adjective
[UK: dɪ.ˈfek.tɪv] [US: də.ˈfek.tɪv]It's defective. = È difettoso.

faulty [faultier, faultiest]▼(having or displaying faults; not perfect; not adequate or acceptable)
adjective
[UK: ˈfɔːl.ti] [US: ˈfɒl.ti]Yes, the computer is faulty. = Sì, il computer è difettoso.