push the envelope

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English[edit]

Etymology[edit]

push + the + envelope, from the boundary line on a graph of an aircraft's capabilities, especially those of height and speed. Engineering jargon (of the 1950s) popularized in Tom Wolfe, The Right Stuff (1979).

Verb[edit]

push the envelope

  1. (intransitive, idiomatic) to go beyond established limits; to pioneer.
    They pushed the envelope on pricing derivatives.

Translations[edit]