obliq·​ui·​ty | \ō-ˈbli-kwə-tē, ə-\
plural obliquities

Definition of obliquity 

1 : deviation from moral rectitude or sound thinking

2a : deviation from parallelism or perpendicularity also : the amount of such deviation

b : the angle between the planes of the earth's equator and orbit having a value of about 23°27′ obliquity of the ecliptic

3a : indirectness or deliberate obscurity of speech or conduct

b : an obscure or confusing statement

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Examples of obliquity in a Sentence

her poetry is sure to satisfy those readers who readily confuse obliquity with profundity

Recent Examples on the Web

Its obliquity nods up and down this way between 22.1º and 24.5º regularly every 41,000 years. The Economist, "Empty sky, empty Earth?," 5 July 2018 Mars’ obliquity—or the tilt of its axis—has varied considerably over millions of years, shifting between 15 and 35 degrees over the course of millennia. Brigit Katz, Smithsonian, "Huge Deposits of Ice Found Just Beneath Mars’ Surface," 12 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'obliquity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of obliquity

15th century, in the meaning defined at sense 1

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The first known use of obliquity was in the 15th century

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obliq·​ui·​ty | \ō-ˈblik-wət-ē, ə- \
plural obliquities

Medical Definition of obliquity 

: the quality or state of being oblique : deviation from parallelism or perpendicularity also : the amount of such deviation

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Comments on obliquity

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something that serves to warn or remind

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