douteusement betyder på engelska

doubtfully▼(doubtful manner)
adverb
[UK: ˈdaʊt.fʊ.li] [US: ˈdaʊt.fʊ.li]

dubiously▼(in a dubious manner)
adverb
[UK: ˈdjuː.bɪə.sli] [US: ˈdjuː.bɪə.sli]