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
- leadingly adverb
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.
A spokesman for Rep. Eric Swalwell, a leading Democratic candidate for California governor, on Tuesday denounced online claims that the congressman had inappropriate relationships with young congressional staff members.
From Los Angeles Times • Apr. 7, 2026
Ronan's part of the care package ended in March 2024, leading to a reduction in the time carers spent in the home.
From BBC • Apr. 7, 2026
While the common rhetoric often makes it seem like energy and environmental goals are at odds, examples among leading energy and transportation companies have shown otherwise.
From Salon • Apr. 7, 2026
Kanye West was barred from entering the U.K. by the Home Office, leading Festival Republic to cancel the Wireless Festival.
From The Wall Street Journal • Apr. 7, 2026
They made for much easier resting posts, so I just followed them, stopping along the way with no idea where they were leading me.
From "Flying Through Water" by Mamle Wolo
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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.