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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.

The “flames” were actually the red brake lights of her neighbor’s car illuminating the darkness.

From The Wall Street Journal • May 5, 2026

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

The subject line of your email, to play therapist for a moment, was illuminating and revealed the heart of your conundrum.

From MarketWatch • Mar. 10, 2026

In front of Moscow's ornate Bolshoi Theatre, its soft yellow lights illuminating a snowstorm in the Russian capital, Valentina Ivakina had come to "escape today's problems".

From Barron's • Feb. 18, 2026

Red lights appeared in the deep, but they sucked in more light than they gave, illuminating nothing.

From "The Reader" by Traci Chee




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