on the fly

== English == === Alternative forms === on-the-fly (adjective) === Pronunciation === === Adverb === on the fly (not comparable) (baseball, of the ball) While in the air, without having touched the ground. Synonym: in flight (idiomatic) Spontaneously or extemporaneously; done as one goes, or during another activity. Synonyms: in flight, on the wing; on the spot; on the hoof (Britain) Hypernym: dynamically (slang) On the move. ==== Derived terms ==== OTFE, on-the-fly encryption ==== Related terms ==== ==== Translations ====