What is another word for more than doubtful?
Pronunciation: [mˈɔː ðɐn dˈa͡ʊtfə͡l] (IPA) 
When something is "more than doubtful," it means that it is highly unlikely or even impossible. There are many different synonyms that can be used to express this same sentiment. Some of the most commonly used include uncertain, dubious, questionable, suspect, and even suspicious. Other synonyms that are less commonly used but still convey the same idea include improbable, implausible, unbelievable, and far-fetched. Depending on the context and the degree of doubt being expressed, different synonyms may be more appropriate than others for effectively conveying the intended message. Regardless of which word is used, however, the meaning remains the same: there is serious doubt about the validity or likelihood of something happening or being true.
