Ninetieth Definition

nīntē-ĭth
noun
The ordinal number matching the number 90 in a series.
American Heritage
The one following the eighty-ninth.
Webster's New World
Any of the ninety equal parts of something;190
Webster's New World
The person or thing in the ninetieth position.
Wiktionary
adjective
Preceded by eighty-nine others in a series; 90th.
Webster's New World
Designating any of the ninety equal parts of something.
Webster's New World

The ordinal form of the number ninety.

Wiktionary
Synonyms:
  • 90th
adverb
In the ninetieth place, rank, group, etc.
Webster's New World

Other Word Forms of Ninetieth

Noun

Singular:
ninetieth
Plural:
ninetieths

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