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[dih-kliv-i-tee] /dɪˈklɪv ɪ ti/
noun, plural declivities.
a downward slope, as of ground (opposed to acclivity).
Origin of declivity
1605-15; < L of dēclīvitās a slope, hill, equivalent to dēclīvi(s) sloping downward (dē- de- + clīv(us) slope, hill + -is adj. suffix) + -tās -ty2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for declivity
Historical Examples
  • The declivity of the road was gradually becoming more gentle.

  • Behind them, down the declivity toward the village, the people were gathering.

    The World Beyond Raymond King Cummings
  • The declivity on which these woods are finishes in a mountain, which rises above the whole.

    A Tour in Ireland Arthur Young
  • After they had half mounted the declivity, one was sent back.

    My New Curate P.A. Sheehan
  • The declivity was not great and the torrent was otherwise placid.

    A Canyon Voyage Frederick S. Dellenbaugh
  • The declivity marks the end of the precipitous gorge of the Niagara.

  • The steepness of the declivity made it necessary for Orso to dismount.

    Columba Prosper Merimee
  • He took it and threw it down the declivity a little below where he sat.

    Elsie Venner Oliver Wendell Holmes, Sr.
  • He at length reached a point where he could see down the declivity.

    The Bush Boys Captain Mayne Reid
  • I was working on the declivity which led to the Val d'Etretat.

British Dictionary definitions for declivity


noun (pl) -ties
a downward slope, esp of the ground Compare acclivity
Derived Forms
declivitous, adjective
Word Origin
C17: from Latin dēclīvitās, from de- + clīvus a slope, hill
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for declivity

1610s, from French déclivité, from Latin declivitatem (nominative declivitas) "a slope, declivity," from declivis "a sloping downward," from de- "down" + clivus "a slope," from PIE *klei-wo-, suffixed form of *klei "to lean" (see lean (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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