Definition of "upstart" []

• A person of humble origin who attains sudden wealth, power, or importance, especially one made immodest or presumptuous by the change; a parvenu. (noun)
• Suddenly raised to a position of consequence. (adjective)
• Self-important; presumptuous. (adjective)
• To spring or start up suddenly. (verb-intransitive)

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.

• "#Remove a bew upstart scripts cd/etc/init rm mountall* upstart*"
• "McCain, war hero, American patriot will prevail against the one term upstart from Illinois with questionable personal affiliations and no experience in the international theater."
• "I guess the licensing is useful for large business to restrain upstart competitors."