/ ədˈventʃərə(r); NAmE / noun
1.
( old-fashioned ) a person who enjoys exciting new experiences, especially going to unusual places
2.
(often disapproving ) a person who is willing to take risks or act in a dishonest way in order to gain money or power
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WORD ORIGIN
late 15th cent. (denoting a gambler): from French aventurier , from aventurer venture upon, based on Latin adventurus about to happen, from advenire arrive, from ad- to + venire come.