[ fif-tee-furst ]

  1. next after the fiftieth; being the ordinal number for 51.

  2. being one of 51 equal parts.

  1. a fifty-first part, especially of one (1/51).

  2. the fifty-first member of a series.

Words Nearby fifty-first Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use fifty-first in a sentence

  • Sick of the equatorial fever, or of chagrin from failure, Drake died off Porto Bello in the fifty-first year of his age.

    Vikings of the Pacific | Agnes C. Laut