Thesaurus

penumbra

noun

Synonyms & Antonyms of penumbra

1 partial darkness due to the obstruction of light rays
  • the lunar eclipse began with a subtle darkening of the lunar surface as it passed within the Earth's penumbra

Synonyms for penumbra

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2 something that covers or conceals like a piece of cloth
  • a penumbra of despair fell over the doomed city

Synonyms for penumbra

Words Related to penumbra

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Time Traveler for penumbra

Time Traveler

The first known use of penumbra was in 1665

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Thesaurus Entries Near penumbra

penultimate

penumbra

penumbrae

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Cite this Entry

“Penumbra.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/penumbra. Accessed 2 Oct. 2022.

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More from Merriam-Webster on penumbra

Britannica.com: Encyclopedia article about penumbra


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