We found 16 dictionaries that define the word push the envelope:

General (12 matching dictionaries)

1. push the envelope: Longman Dictionary of Contemporary English
2. push the envelope: Merriam-Webster
3. push the envelope: Oxford Learner's Dictionaries
4. push the envelope: Collins English Dictionary
5. push the envelope: Wordnik
6. push the envelope: Wiktionary
7. push the envelope: Dictionary.com
8. push the envelope: FreeDictionary.org
9. push the envelope: TheFreeDictionary.com
10. Push the envelope: World Wide Words

Business (1 matching dictionary)

11. push the envelope: Financial dictionary

Computing (1 matching dictionary)

12. push the envelope: Encyclopedia

Medicine (1 matching dictionary)

13. push the envelope: Medical dictionary

Miscellaneous (1 matching dictionary)

14. push the envelope: Idioms

Definitions from Wiktionary (push the envelope) ▸ verb:  (intransitive, idiomatic, originally aeronautics) To go beyond established limits; to pioneer. Similar: push the edge of the envelope, push it, stretch the envelope, wring out, toe the line, break new ground, push the limit, outpush, spread one's wings, go out on a limb, more... Phrases: to push the envelope, more... Adjectives: jack, step-up, upstart, uplevel, upstage, overtopping, upright, up, upcast, elate, upmarket ▸ Words similar to push the envelope ▸ Usage examples for push the envelope ▸ Idioms related to push the envelope ▸ Wikipedia articles (New!) ▸ Words that often appear near push the envelope ▸ Rhymes of push the envelope ▸ Invented words related to push the envelope