showboatPronunciation: /ˈʃəʊbəʊt/Definition of showboat noun (in the US) a river steamer on which theatrical performances are given. informal, chiefly North American a show-off; an exhibitionist: he’s neither a show-off nor a showboat verb [no object] informal, chiefly North American show off: (as adjective showboating)a lot of showboating politiciansDerivatives showboater noun showboat in other Oxford dictionaries Definition of showboat in the US English dictionary
