• Misty, dim; obscure.

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Example Sentences

“The sky had grown caliginous by the time I left the library.”

“The forest path was overgrown and caliginous, even in the daytime.”

“In the early hours, the bay is covered in a caliginous blanket of fog.”

Word Origin

Latin, mid-16th century

Why this word?

“Caliginous” is a literary word used to evoke misty, dark obscurity in a poetic manner. Its Latin root, “cālīginōsus,” is based on the word “cālīgō,” which refers to fog, mist, and vapor. In keeping with this origin, “caliginous” describes the state of not being able to see clearly because the air is full of something like fog or smoke impeding a clear view. When “caliginous” is used poetically, it describes darkness so thick and enveloping, it feels almost physical.

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