noun
- the backward slant of an aircraft wing from root to tip
Usage: aviation
Examples
- The fighter jet’s wings had a pronounced sweepback for high-speed flight.
- Engineers calculated the optimal sweepback angle for the new aircraft design.
- The delta wing configuration featured significant sweepback.
- Modern commercial jets use moderate sweepback to improve fuel efficiency.
- The prototype’s sweepback was reduced to enhance low-speed handling.
- Wind tunnel tests confirmed the benefits of the wing’s sweepback design.