luminary
Americannoun
-
a celestial body, such as the sun or moon.
-
a body, object, etc., that gives light.
-
a person who has attained eminence in their field or is an inspiration to others.
The book was written by one of the luminaries in the field of medical science.
adjective
noun
-
a person who enlightens or influences others
-
a famous person
-
literary something, such as the sun or moon, that gives off light
adjective
Etymology
Origin of luminary
First recorded in 1450–1500; late Middle English luminarye, from Medieval Latin lūmināria “lamp”; see luminaria
Explanation
In scientific writing, Stephen J. Hawking is a luminary. People look up to this well-known scientist and author for his knowledge and insight. Although luminary can mean an object or celestial body that gives off light, you'll often hear people talk about parties at which there were many luminaries in attendance. In this case, luminary means celebrity or well-known person in sports or politics, science or the arts. Think of them as being bright lights that make a party sparkle.
Vocabulary lists containing luminary
The Vocabulary.com Top 1000
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Let There Be Light: Lum and Luc
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
100 SAT Words Beginning with "J," "K," and "L"
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
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.
Kent’s jet-black sea is indistinguishable from the cosmos, and his white whale glows like some luminary body within it.
From The Wall Street Journal • Jan. 2, 2026
A luminary in his field, Tao conducts research that examines, in part, whether a group of numbers are random or structured.
From Los Angeles Times • Aug. 10, 2025
Much like York, who was eventually collected by Jacqueline Kennedy and revered by the elite, Anderson has transformed from an outsider to a luminary, celebrated by the glitterati and beyond.
From Seattle Times • Mar. 1, 2024
At the time, the Comédie de Genève cited differences in “work philosophy” and “values” between its team and Lupa, 80, a longtime luminary of European theater.
From New York Times • Jan. 16, 2024
Vincenzo Perugia became, briefly, a luminary on the level of the Mona Lisa itself.
From "The Mona Lisa Vanishes" by Nicholas Day
![]()
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.