Meaning & Definition of word "Eightieth"

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    Eightieth

    /ˈeɪtiəθ/

    noun:

    • 1. One of 80 equal parts of a whole.
      • Example: The recipe requires an eightieth of a teaspoon of salt.
    • 2. The person or thing in the position numbered 80 in a series.
      • Example: He was the eightieth runner to cross the finish line.

    adjective:

    • 1. Being the ordinal number for 80 in a sequence.
      • Example: She celebrated her eightieth birthday with a grand party.
    • 2. Relating to or being one of 80 equal parts of something.
      • Example: Each person received an eightieth share of the inheritance.

    Etymology

    From the word 'eight' combined with the suffix '-ieth'.

    Common Phrases and Expressions

    eightieth birthday:

    A celebration marking a person's eightieth year of life.

    in the eightieth hour:

    Referring to a time near the end of a long or exhausting activity.

    Related Words

    eight:

    The number 8, an integer.

    eighty:

    The number 80, an integer.

    Slang Meanings of eightieth