Also found in: Thesaurus, Idioms.
high·fli·eralso high-fli·er (hī′flī′ər)
1. One who rises quickly to a position of wealth or success.
2. A stock that sells at a high valuation.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.