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

For months, the likes of McKinsey and BCG have been adopting AI on the fly, while media headlines question the consultant’s future and the sustainability of client service in a less human-centric world. — Will Johnson, Forbes.com, 21 July 2026

The bad • While open tryouts and figuring it out on the fly yielded roles for Morris and Gómez, the bullpen has nearly sucked the life out of this team. — Dan Hayes, New York Times, 16 July 2026

Some applicants are fighting back by using AI in the interview process, employing AI assistants that suggest responses on the fly during remote technical interviews. — IEEE Spectrum, 13 July 2026

This game preserves the difficulty of coming up with an elaborate, consistent false narrative on the spot, and the challenge of adapting that narrative on the fly when other players present convincing (and sometimes fake) counter-evidence. — Tasha Robinson, Vulture, 30 June 2026

Rhymes for on the fly

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