as in front lines
the leading or most important part of a movement
an activist who is on the leading edge of the fight for equal marriage rights
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Recent Examples of leading edges
Traveling over five times the speed of sound generates immense friction and drag, resulting in the leading edges reaching temperatures beyond 1,650 °C (3,000 °F).
—
New Atlas, 2 Dec. 2025
New Atlas, 2 Dec. 2025
Recent Examples of Synonyms for leading edges
Noun
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Over the past week, Ukrainian drones have struck Russian fuel tanks and ammunition depots some 100 kilometers (65 miles) from the front lines in Luhansk, as well as a Russian air defense system more than 130 kilometers from the region’s border, according to geolocated video.—
Tim Lister,
CNN Money,
4 Apr. 2026
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Gun-shooting humanoid robots fighting on the front lines are becoming less of a dystopian fantasy.—
Rachyl Jones,
semafor.com,
3 Apr. 2026
Noun
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Coworth forefronts its equestrian roots, with stables on site as well as polo fields.—
Lydia Bell,
Condé Nast Traveler,
7 Feb. 2026
Noun
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Sharpen mower blades when the cutting edges begin to dull.—
Tom MacCubbin,
The Orlando Sentinel,
28 Mar. 2026
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So it was decreed that the cutting edges of knives should be turned towards their owners, thus symbolizing their peaceful intent.—
Judith Martin,
Sun Sentinel,
5 Jan. 2026
Cite this Entry
“Leading edges.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/leading%20edges. Accessed 7 Apr. 2026.
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