showboat - definition and synonyms

noun [countable] theatre 

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/ˈʃəʊˌbəʊt/
singularshowboat
pluralshowboats
  1. 1
    a large boat with a theatre on it and actors who give performances at various towns along a river
  2.   From our crowdsourced Open Dictionary
    2
    someone who is in the habit of showing off

    Jack is an outspoken person, but a big showboat.

    Submitted by Boris Marchenko from Russian Federation on 12/05/2017
  3.   From our crowdsourced Open Dictionary
    3
    also a verbSubmitted by Boris Marchenko from Russian Federation on 12/05/2017