/ Dictionary / Index T thirty-ninth: Meaning and Definition of Find definitions for: thir•ty-ninth Pronunciation: (thûr'tē-nīnth'), [key] — adj. next after the thirty-eighth; being the ordinal number for 39. being one of 39 equal parts. —n. a thirty-ninth part, esp. of one (). the thirty-ninth member of a series. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thirty-ninth (Thesaurus) thirty-nine thirty-one Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language