Moriarty.
A surname from Irish.
Meaning & usage
A surname from Irish.
A city in Torrance County, New Mexico, United States.
A locality in Latrobe council area, Tasmania, Australia.
Where this word comes from
From Irish Ó Muircheartaigh (“descendant of Muircheartach”), a name from muir (“sea”) + ceardaí (“craftsman”).
An archenemy or nemesis, especially a highly intelligent one.
Where this word comes from
In reference to Professor James Moriarty, fictional archenemy and nemesis of Sherlock Holmes
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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.