a. rare. [f. THWART + -EOUS 3: ? after courteous, righteous.] Disposed to thwart; perverse, contrary.

1

1890.  R. Bridges, Chr. Capt., V. 2319. Satan did persuade our thwarteous king To make a godless bargain.

2

1903.  A. Smellie, Men of Covt., i. (1904), 6. If he touched these treasures, he would find her humour ‘thwarteous,’ indeed.

3