twentieth Hear it!

twentieth definition

twen·ti·eth (twen′tē it̸h, twen′ē-, twun′ē-)

adjective

  1. preceded by nineteen others in a series; 20th
  2. designating any of the twenty equal parts of something

Etymology: ME twentithe, new formation for OE twentigotha: see twenty & -th

noun

  1. the one following the nineteenth
  2. any of the twenty equal parts of something;

adverb

in the twentieth place, rank, group, etc.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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