Question 1

What does "push the envelope" mean?

Accepted Answer

To go beyond the usual limits in order to achieve something new or better.

Question 2

How do you use "push the envelope" in a sentence?

Accepted Answer

Her experimental designs push the envelope of contemporary architecture.

Question 3

Is "push the envelope" formal or informal?

Accepted Answer

"push the envelope" is informal — used mainly in casual conversation. Originally from aviation; now common in business and creativity.