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idiom

Push the envelope

PUSH thuh EN-vuh-lohp

/pʊʃ ðə ˈɛnvəloʊp/

Listen

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Syllable breakdown

pushtheenvelope

Dictionary meaning

To exceed conventional limits; to test the boundaries of what is possible. Originally an aviation term referring to flying at the edges of an aircraft's performance parameters.

Pronunciation tips

Note: 'envelope' here refers to the mathematical performance envelope, not a paper envelope — some speakers mispronounce it to rhyme with 'elope'.

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