thirtieth

[ thur-tee-ith ]

adjective
  1. next after the twenty-ninth; being the ordinal number for 30.

  2. being one of 30 equal parts.

noun
  1. a thirtieth part, especially of one (1/30).

  2. the thirtieth member of a series.

Origin of thirtieth

1
before 900; thirty + -eth2; replacing Middle English thrittythe,Old English thrītegtha

Words Nearby thirtieth

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use thirtieth in a sentence

  • Another minister arose; a man not yet in his thirtieth year, his form stooped, as beneath the weight of sixty winters.

    Alone | Marion Harland
  • Given at our palace of Hampton Court, the 24th day of July, 1679, and in the one and thirtieth year of our reign.

  • The reference is to the thirtieth chapter of Jeremiah, from which an extract is here made at length.

  • He continued to linger till the thirtieth, when he calmly expired, in the sixty-second year of his age.

  • At thirtieth Street he got off the car and walked west to Silver's place.

    From Place to Place | Irvin S. Cobb

British Dictionary definitions for thirtieth

thirtieth

/ (ˈθɜːtɪɪθ) /


adjective
  1. (usually prenominal)

    • being the ordinal number of thirty in counting order, position, time, etc: often written 30th

    • (as noun): the thirtieth of the month

noun
    • one of 30 approximately equal parts of something

    • (as modifier): a thirtieth part

  1. the fraction equal to one divided by 30 (1/30)

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