/ Dictionary / Index S sensei: Meaning and Definition of Find definitions for: sen•sei Pronunciation: (sen-sā'), [key] — n. a karate or judo instructor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. senseful senseless Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language