сомнительный bedeutet auf Englisch

ambiguous▼(vague and unclear)
adjective
[UK: æm.ˈbɪ.ɡjuəs] [US: æm.ˈbɪ.ɡjuːəs]

apocryphal▼(of dubious veracity; urban legend)
adjective
[UK: ə.ˈpɒ.krəf.l̩] [US: ə.ˈpɑː.krəf.l̩]

controversial▼(arousing controversy)
adjective
[UK: ˌkɒn.trə.ˈvɜːʃ.l̩] [US: ˌkɑːn.trə.ˈvɝː.ʃl̩]

dodgy [dodgier, dodgiest]▼(unsound and unreliable)
adjective
[UK: ˈdɒ.dʒi] [US: ˈdɒ.dʒi]

doubtful▼(subject to, or causing doubt)
adjective
[UK: ˈdaʊt.fʊl] [US: ˈdaʊt.fəl]

dubious▼(arousing doubt)
adjective
[UK: ˈdjuː.bɪəs] [US: ˈduː.biəs]

equivocal▼(capable of being ascribed to different motives, or of signifying opposite feelings, purposes, or characters)
adjective
[UK: ɪ.ˈkwɪ.vək.l̩] [US: ɪ.ˈkwɪ.vək.l̩]

fishy [fishier, fishiest]▼(suspicious; inspiring doubt)
adjective
[UK: ˈfɪ.ʃi] [US: ˈfɪ.ʃi]

iffy [iffier, iffiest]▼(Of dubious authenticity, legitimacy or legality)
adjective
[UK: ˈɪ.fi] [US: ˈɪ.fi]

in question▼(in doubt, under dispute)
adjective
[UK: ɪn ˈkwes.tʃən] [US: ɪn ˈkwes.tʃən]

questionable▼(of dubious respectability or morality)
adjective
[UK: ˈkwes.tʃə.nəb.l̩] [US: ˈkwes.tʃə.nəb.l̩]

sharp [sharper, sharpest]▼(illegal or dishonest)
adjective
[UK: ʃɑːp] [US: ˈʃɑːrp]

sketchy [sketchier, sketchiest]▼(Of questionable or doubtful quality)
adjective
[UK: ˈske.tʃi] [US: ˈske.tʃi]

suspicious▼(arousing suspicion)
adjective
[UK: sə.ˈspɪ.ʃəs] [US: sə.ˈspɪ.ʃəs]