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definitions

rectitudinous

[rek-ti-tood-n-uh s, -tyood-]
adjective
  1. characterized by or given to rectitude.
  2. virtuously self-righteous; pious.

Origin of rectitudinous

1895–1900; < Late Latin rectitūdin- (stem of rectitūdō rectitude) + -ous
Related formsrec·ti·tu·di·nous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018