/ Dictionary / Index P punctilious: Meaning and Definition of Find definitions for: punc•til•i•ous Pronunciation: (pungk-til'ē-us), [key] — adj. extremely attentive to punctilios; strict or exact in the observance of the formalities or amenities of conduct or actions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: punctilious (Thesaurus) punctilio punctual Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language