Word:    Find rhymes Find rhymes (advanced) Find near rhymes Find synonyms Find descriptive words Find phrases Find antonyms Find definitions Find related words Find similar sounding words Find similarly spelled words Find homophones Find phrase rhymes Match consonants only Match these letters Find anagrams (unscramble) Hey you! Yes, you! Thank you for adding beauty to the world! Definitions of principal diagonal: noun:   the diagonal of a square matrix running from the upper left entry to the lower right entry Related words...   Help  Feedback  Privacy  Terms of Use Copyright © 2023