a. rare. [f. THWART + -EOUS 3: ? after courteous, righteous.] Disposed to thwart; perverse, contrary.
1890. R. Bridges, Chr. Capt., V. 2319. Satan did persuade our thwarteous king To make a godless bargain.
1903. A. Smellie, Men of Covt., i. (1904), 6. If he touched these treasures, he would find her humour thwarteous, indeed.