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subterrestrial
[ suhb-tuh-res-tree-uhl ]
/ ˌsʌb təˈrɛs tri əl /
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This shows grade level based on the word's complexity.
adjective
underground; subterranean.
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”?
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Origin of subterrestrial
First recorded in 1605–15; sub- + terrestrial
Words nearby subterrestrial
subterfuge, subterminal, subternatural, subterrane, subterranean, subterrestrial, subtext, subthalamic nucleus, subthalamus, subtherapeutic, subthreshold
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021