The Collaborative International Dictionary
Usurarious
Usurarious \U`su*ra"ri*ous\, Usurary \U"su*ra*ry\, a. [L.
usurarius that serves for use, that pays interest. See
Usurer.]
Usurious. [Obs.] ``Usurarious contracts.''
--Jer. Taylor. Bp.
Hall.
Wiktionary
usurarious
a. (alternative form of usurary English)