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:
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