Push the envelope
Meaning
Challenge limits or experiment beyond norms.
Usage
Often used in innovation or creative work.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Aviation term for testing aerodynamic limits.
Popularized in aerospace reports in the 1960s; adopted by tech/creativity narratives.