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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.

San Francisco-based satellite operator Planet Labs espouses a mission “to accelerate humanity toward a more sustainable, secure, and prosperous world by illuminating environmental and social change.”

From The Wall Street Journal • Mar. 19, 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

“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

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

Mismatched candles burn merrily on every available surface, illuminating the sleeping doves in their cages hanging amongst sweeping curtains of richly colored tapestries.

From "The Night Circus" by Erin Morgenstern