dark energy
noun
: a hypothetical form of energy that produces a force that opposes gravity and is thought to be the cause of the accelerating expansion of the universe
Examples of dark energy in a Sentence
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There's some, but not overwhelming, evidence that dark energy is evolving.
—
Big Think, 29 Jan. 2026
Another equally mysterious force called dark energy makes up the rest.
—CBS News, 26 Jan. 2026
This analysis represents the first time the four separate methods of studying dark energy have been united as one.
—Robert Lea, Space.com, 26 Jan. 2026
Dark matter, dark energy, neutron stars, and gravitational waves could all come into better focus if observed from the moon.
—IEEE Spectrum, 20 Jan. 2026
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Big Think, 29 Jan. 2026
Another equally mysterious force called dark energy makes up the rest.
—CBS News, 26 Jan. 2026
This analysis represents the first time the four separate methods of studying dark energy have been united as one.
—Robert Lea, Space.com, 26 Jan. 2026
Dark matter, dark energy, neutron stars, and gravitational waves could all come into better focus if observed from the moon.
—IEEE Spectrum, 20 Jan. 2026
See All Example Sentences for dark energy
Cite this Entry
“Dark energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20energy. Accessed 3 Feb. 2026.
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