leading
1 Americanadjective
-
chief; principal; most important; foremost.
a leading toy manufacturer.
-
coming in advance of others; first.
We rode in the leading car.
-
directing, guiding.
- Synonyms:
- ruling
noun
adjective
-
guiding, directing, or influencing
-
(prenominal) principal or primary
-
in the first position
the leading car in the procession
-
maths (of a coefficient) associated with the term of highest degree in a polynomial containing one variable
in 5x² + 2x + 3, 5 is the leading coefficient
noun
Other Word Forms
Etymology
Origin of leading1
First recorded in 1250–1300; Middle English (noun); lead 1 ( def. ) + -ing 2 ( def. ) for the adjective senses; lead 1 ( def. ) + -ing 1 ( def. ) for the noun sense
Origin of leading2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“We are leading China, and all others, and will continue to do so.”
From Los Angeles Times ● Sep. 14, 2026
“It adds to the uncertainty, which is what causes the volatility and the average decline in the market leading up to the election,” Stovall told MarketWatch.
From MarketWatch ● Sep. 14, 2026
He added, “We are leading China, and all others, and will continue to do so.”
From The Wall Street Journal ● Sep. 14, 2026
Several leading track and field athletes competing at the Ultimate Championship in Budapest last weekend expressed their consternation at Sweeney's commercial, saying it was a misleading representation of how women in sport looked.
From Barron's ● Sep. 14, 2026
Maybe one day Owen’s family would be leading tundra buggy tours through the abandoned streets of Churchill.
From "Two Degrees" by Alan Gratz
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.