on the fly

phrase

1

: in motion : busy

2

: while still in the air : without the ball bouncing

The home run carried 450 feet on the fly.

3

: in a hurry and often without preparation : hastily, spontaneously

making decisions on the fly

4

: simultaneously with another task

software that handles formatting on the fly

Examples of on the fly in a Sentence

Recent Examples on the Web

Speaking of lag—or, lack thereof—the Odyssey G51F also boasts AMD FreeSync, which syncs up your laptop or PC’s GPU and the monitor’s panel to match the refresh rates on the fly. — Kelsey Fogarty, PC Magazine, 24 Aug. 2026

Boston Bruins The Bruins have an average at best roster and farm system, and trying to win while rebuilding on the fly is something that usually backfires more often than leading to a contending team. — Corey Pronman, New York Times, 21 Aug. 2026

Yes, these questions are being answered on the fly, which seems par for the course during this madness. — Trey Wallace Outkick, FOXNews.com, 21 Aug. 2026

In years past, mainstays like Trent McDuffie or Bryan Cook might have been around to help teach on the fly. — Pete Sweeney, Kansas City Star, 11 Aug. 2026

Rhymes for on the fly

• abscissae
• adonai
• alibi
• alkali
• alumni
• amoebae
• amplify
• annuli
• beautify
• brachii
• butterfly
• calculi