leading edge

noun

ˈlē-diŋ- 

1

: the forward part of something that moves or seems to move

2

: the foremost edge of an airfoil

3

: cutting edge

leading-edge

ˈlē-diŋ-ˈej 

adjective

Synonyms

• forefront

Examples of leading edge in a Sentence

the leading edge of an airplane's wing

the leading edge of a thunderstorm

Recent Examples on the Web

Clawed fingers interrupted the leading edge of its wing, and compared with birds of today, its feathers appear to have been less flexible and thus less adept at forming a coherent airfoil. —Kate Wong, Scientific American, 16 Sep. 2025

These short stories about scientists working at the leading edge of climate microbiology reveal the vital role microbes play in our biosphere and climate system, and illuminate new possibilities for collaborating with these incredible natural chemists. —Katherine Bourzac, Quanta Magazine, 15 Sep. 2025

Despite the preparation, the 10 or so firefighters on the ground in the grove had to pull out overnight Sunday because of the ferocity of the blaze’s leading edge, Zwierzchowski said. —Ethan Baron, Mercury News, 10 Sep. 2025

Pharmaceuticals may be the leading edge of the shift towards price transparency and a stronger relationship between manufacturers and the patient-consumer. —Rita Numerof, Forbes.com, 8 Sep. 2025

Word History

First Known Use

1877, in the meaning defined at sense 1

Rhymes for leading edge

• allege
• straightedge
• dredge
• hedge
• ledge
• pledge
• sedge
• sledge
• wedge