Thirtieth Definition

thûrtē-ĭth
noun
The ordinal number matching the number 30 in a series.
American Heritage
The one following the twenty-ninth.
Webster's New World
Any of the thirty equal parts of something;130
Webster's New World
The person or thing in the thirtieth position.
Wiktionary
adjective
Preceded by twenty-nine others in a series; 30th.
Webster's New World
Designating any of the thirty equal parts of something.
Webster's New World

The ordinal form of the number thirty.

Wiktionary
Synonyms:
  • 30th
adverb
In the thirtieth place, rank, group, etc.
Webster's New World

Other Word Forms of Thirtieth

Noun

Singular:
thirtieth
Plural:
thirtieths

Find Similar Words

Find similar words to thirtieth using the buttons below.

Words Starting With

Words Ending With

Unscrambles

thirtieth