- (of the leading edge of an airfoil) forming a markedly obtuse angle with the fuselage.
- (of an aircraft or winged missile) having wings of this type.
Origin of sweptback
First recorded in 1915–20; adj. use of verb phrase swept back
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (of an aircraft wing) having leading edge and trailing edges inclined backwards towards the rear of the fuselage