Duff.
A surname.
Meaning & usage
A surname.
A placename A village in Saskatchewan, Canada.
A placename An unincorporated community in Indiana, United States.
A placename An unincorporated community in Nebraska, United States.
A placename An unincorporated community in Tennessee, United States.
A male given name.
A BR class 47, a class of British diesel locomotive.
Where this word comes from
From the Irish and Scottish Gaelic surname, from dubh (“dark”).
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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.