(1) Before the war, the submarine was regarded as a morally dubious weapon, subject to international agreements.(2) However, those often rely on dubious assumptions.(3) He just enjoys exploring the morally dubious aspects of it, and exploring difficult situations.(4) For a start, the whole idea of reciprocity and empowerment seems morally dubious to me.(5) The approach outline above seems to offer the best prospect for exposing the administration's dubious motives and methods.(6) To postulate the reality of the latter is in fact very dubious , because it relies on a contestable empirical claim that simply cannot be sustained.(7) I was dubious about the composition project, until I heard the music.(8) You are asking us to be careful about adopting assumptions which are founded on rather dubious ground and would subvert our intentions, good as they may be.(9) In fact, so entrenched was the belief in many quarters that official statistics were of dubious value to social researchers that the view took root that they were virtually worthless.(10) The argument for higher charges makes a number of dubious assumptions.(11) For some of these reports, Miller appears to have relied on highly dubious sources.(12) As such, it asks us to accept the dubious assumptions that interval returns are normally distributed and independent.(13) And it spends billions each year in social welfare programs that are endlessly duplicative and of dubious value.(14) Such a belief, the Senate report said, relied on the use of increasingly dubious sources and a dismissal of dissenting views.(15) To work the sanctions would have to be ├ö├ç├┐short, sharp and painful├ö├ç├û but an official report was dubious about their effectiveness.(16) It has the dubious distinction of being probably the only luxury hotel in the world to be blown up by a future prime minister of its own country.