Meaning & Definition of word "Thirtieth"

Thirtieth

/ˈθɜrtiəθ/

noun:

  • 1. the person or thing in the thirtieth position.
    • Example: The thirtieth in line was starting to get impatient.
  • 2. one of thirty equal parts of a whole.
    • Example: Each thirtieth of the budget was allocated to different departments.

adjective:

  • 1. constituting number thirty in a sequence; 30th.
    • Example: She finished in thirtieth place in the marathon.
  • 2. pertaining to one of thirty equal parts.
    • Example: He took a thirtieth of the entire cake.

Etymology

From Old English 'þrittiga', meaning 'thirty', with the ordinal suffix '-th'.

Common Phrases and Expressions

thirtieth anniversary:

The 30th year of a married couple's union.

thirtieth birthday:

A celebration marking the 30th year since birth.

Related Words

thirty:

The cardinal number equivalent to 30.

thirtieths:

Plural form referring to multiple parts of thirty.

Slang Meanings of thirtieth