A heavy speculator in stocks, business, or trade.(noun)
One that attempts to gain wealth and social position by unscrupulous means.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "adventurer" in a sentence
"The word adventurer has been through a half-millennium of exciting times."
"Such are among the sad chances to which the life of the Rocky Mountain adventurer is exposed."
"Another book on the American adventurer is in the works: Ethan has a knack for staying in trouble."