1 definition by Brian Purcell

Top Definition
A cunning blend of the words devious and deceit. Used to describe misleading and disingenuous statements.
He was being completely decevious, he was going to Canada after all.
Her deceviosity knew no bounds, her Slovakian accent fooled everybody.
The sea free us? NO! Decevious.
by Brian Purcell June 10, 2005

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