a. [f. ACCLIVIT-Y + -OUS; cf. calamity, calamit-ous. See -ITOUS, -OUS.] Of the nature of, or characterized by an acclivity; having an upward slope.

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1815.  Paulson, in Henderson’s Iceland, 203. We continued our route up the S.E. side of the Yökul, where it was least acclivitous.

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1879.  Contemp. Rev., 507. Herds of agile creatures abounding in the acclivitous glades of the woods.

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