rectitudinous

[ rek-ti-tood-n-uh s, -tyood- ]
/ ˌrɛk tɪˈtud n əs, -ˈtyud- /

adjective

characterized by or given to rectitude.
virtuously self-righteous; pious.

Origin of rectitudinous

1895–1900; < Late Latin rectitūdin- (stem of rectitūdō rectitude) + -ous

OTHER WORDS FROM rectitudinous

rec·ti·tu·di·nous·ly, adverb