/ Dictionary / Index T Tweedledum and Tweedledee: Meaning and Definition of Find definitions for: Twee•dle•dum and Twee•dle•dee Pronunciation: (twēd"l-dum' un twēd"l-dē'), [key] two persons or things nominally different but practically the same; a nearly identical pair. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tweedle Tweedsmuir Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language