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duvidoso     doubtful, tentative       dudoso, indeciso
duvidoso dubtós zweifelnd doubtful, dubious   aléatoire, douteux, incertain dubidoso dudoso
contestável, discutível, duvidoso, polémico, problemático, questionável     debatable, problematic, problematical   problématique   discutible, dudoso, problemático
duvidoso, estranho, raro, suspeito dubtós, estrany, rar, sospitós verdächtig fishy, funny, shady, suspect, suspicious   avec_méfiance, drôle, louche, méfiant, suspect, étrange dubidoso, sospeitoso dudoso, extraño, raro, sospechoso
duvidoso, inacreditável, inconcebível, incrível, inverosimilhante, inverossímil, inverosímil indreïble unglaublich incredible, unbelievable   incroyable, invraisemblable incrible, incríbel increíble
duvidoso dubtós dubios, fragwürdig, ominös, zweifelhaft doubtful, dubious, dubitable, in_question   aléatoire, douteux, incertain, sceptique cuestionable, cuestionábel, dubidoso cuestionable, dudoso