or high-fli·er, high·fly·er, high-fly·er
- a person who is extravagant or goes to extremes in aims, pretensions, opinions, etc.
- a person or thing that flies high.
- a stock, often speculative, whose price moves up or down widely.
Origin of highflier
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018