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.
Leading market maker Citadel Securities says that retail cash equity volumes in May hit a record, doubling in two years.
From The Wall Street Journal • Jul. 2, 2026
"Leading by example is one of my biggest traits and my biggest mottos I try to live by. Whenever I'm on that pitch I try and do my best for the country."
From BBC • Jul. 1, 2026
Leading the purchases were legal officer Adam Rosman and CFO Paul Todd.
From Barron's • Jun. 26, 2026
Leading off the sixth inning, Ohtani pounced on a cutter that drifted toward the heart of the plate.
From Los Angeles Times • Jun. 17, 2026
Leading up to it were four shallow steps, carpeted in black.
From "Inkheart" by Cornelia Funke
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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.