/ Dictionary / Index S sixty-fifth: Meaning and Definition of Find definitions for: six•ty-fifth Pronunciation: (siks'tē-fifth'), [key] — adj. next after the sixty-fourth; being the ordinal number for 65. being one of 65 equal parts. —n. a sixty-fifth part, esp. of one (). the sixty-fifth member of a series. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sixty-fifth (Thesaurus) sixty-eighth sixty-first Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language