/ Dictionary / Index U Uncle Tom: Meaning and Definition of Find definitions for: Un'cle Tom' Pronunciation: [key] — Disparaging and Offensive. Disparaging and Offensive. a black man considered by other blacks to be subservient to or to curry favor with whites. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Uncle Sam Uncle Tomism Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language