next after the fifty-ninth; being the ordinal number for 60.
being one of 60 equal parts.


a sixtieth part, especially of one (1/60).
the sixtieth member of a series.

Origin of sixtieth

before 1000; Middle English sixtithe, sixtiaghte, Old English sixtighetha, sixteoghotha; see sixty, -eth2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sixtieth

Contemporary Examples of sixtieth

Historical Examples of sixtieth

British Dictionary definitions for sixtieth



(usually prenominal)
  1. being the ordinal number of sixty in numbering or counting order, position, time, etc: often written 60th
  2. (as noun)the sixtieth in a row


  1. one of 60 approximately equal parts of something
  2. (as modifier)a sixtieth part
the fraction equal to one divided by 60 (1/60)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sixtieth

Old English sixteogoða "sixtieth;" see sixty + -th (1).

Online Etymology Dictionary, © 2010 Douglas Harper