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on the fly

Adverb CEFR C1

Definitions

  1. While in the air, without having touched the ground.
    not-comparable
  2. Spontaneously or extemporaneously; done as one goes, or during another activity.
    idiomatic, not-comparable
  3. On the move.
    not-comparable, slang

Equivalents

11 more languages

Examples

“Jones caught the ball on the fly⟳.”
“The software program⟳ has a table of values for some results, but calculates others on the fly⟳.”
“The Owl is flying high, frightening to the eye. The Rattler is nearby, Cool is on the fly⟳. Danger is his business.”

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
See all C1 English words →

See also

on the merits on the off chance on the order of on the qui vive on the quiet on the raw

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