atroceruleous

or at·ro·ce·ru·le·us, at·ro·coe·ru·le·us

[ a-troh-suh-roo-lee-uhs, -rool-yuhs ]

/ ˌæ troʊ səˈru li əs, -ˈrul yəs /

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noun

a deep blue-black color.

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

TAKE THE QUIZ TO FIND OUT

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Origin of atroceruleous

<Latin ātr-, stem of āter black + -o- + caeruleus azure; see cerulean, -ous

Words nearby atroceruleous

atrioventricular node, atrioventricular septum, atrip, at risk, atrium, atroceruleous, atrocious, atrocious assault and battery, atrocity, à trois, atrophedema