IPA: /haɪˈflaɪər/
KK: /haɪˈflaɪər/
A person who is very successful or ambitious, often in a particular field or profession.
She is a highflyer in the corporate world, quickly rising through the ranks.
Highflyer is formed from "high" (from Old English "hēah", meaning elevated or tall) and "flyer" (from the verb "to fly", meaning to move through the air). The term describes someone who is ambitious or successful, soaring to great heights in their endeavors.
Think of someone who is 'elevated' ('high') and 'moving through the air' ('flyer') — this helps you remember that a highflyer is someone who achieves great success.
No commonly confused words.