fifteenth.
The ordinal form of the number fifteen.
Meaning & usage
The ordinal form of the number fifteen.
Where this word comes from
Inherited from Middle English fiftenthe, fiftethe, from Old English fīftēoþa, equivalent to fifteen + -th.
The person or thing in the fifteenth position.
One of fifteen equal parts of a whole.
The interval comprising two octaves.
Where this word comes from
Inherited from Middle English fiftenthe, fiftethe, from Old English fīftēoþa, equivalent to fifteen + -th.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.