/ Dictionary / Index P principled: Meaning and Definition of Find definitions for: prin•ci•pled Pronunciation: (prin'su-puld), [key] — adj. imbued with or having moral principles (often used in combination): high-principled. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: principled (Thesaurus) principle principle of complementarity Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language