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Definitions

illuminating

[ih-loo-muh-ney-ting] / ɪˈlu məˌneɪ tɪŋ /
ADJECTIVE
lighting up
Synonyms


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.

Researchers at the University of Missouri are developing a new way to determine which cancer patients are most likely to benefit from targeted therapies by illuminating tumors in medical scans.

From Science Daily • Mar. 16, 2026

“We’ve made a lot of progress as a community working with Republicans, working with Democrats,” he said, as the sun made a brief appearance, illuminating the Douglas firs outside his door.

From Los Angeles Times • Mar. 15, 2026

With precision and care, the author elegantly chronicles his own shame, envy, boredom, regret and despair, illuminating his experiences with insights from philosophy, psychology, ethnography and history.

From The Wall Street Journal • Feb. 27, 2026

A rocket blasts off from a launcher, shooting into the sky and illuminating the darkened valley below.

From BBC • Feb. 23, 2026

Lightning splits the sky, illuminating the battlefield for a tantalizing moment.

From "An Ember in the Ashes" by Sabaa Tahir




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