[ fawr-tee-fifth or, often, -fith ]

  1. next after the forty-fourth; being the ordinal number for 45.

  2. being one of 45 equal parts.

  1. a forty-fifth part, especially of one (1/45).

  2. the forty-fifth member of a series.

Words Nearby forty-fifth Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use forty-fifth in a sentence