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Added 10 October 2026

ninetieth

/ˈnaɪn.ti.əθ/ adjective

In Latin: nōnāgēsimus Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about ninetieth at Wordnik → Where our words come from →

The ordinal form of the number ninety.

noun

The person or thing in the ninetieth position.
One of ninety equal parts of a whole.

Origin

From earlier ninteth, from Middle English nyntithe; for the modern form, see the etymological notes at twentieth.

From Wiktionary, via Kaikki.org (CC BY-SA)

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