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n. Mythology
A member of a race of demigods who invaded and inhabited Ireland. They were defeated by the Tuatha Dé Danaan.

[From Irish Fomóir, alteration (influenced by mór, big) of Old Irish Fomoire; see mer- in Indo-European roots.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Fomorian - one of a group of Celtic sea demons sometimes associated with the hostile power of nature
Emerald Isle, Hibernia, Ireland - an island comprising the republic of Ireland and Northern Ireland
Celtic deity - a deity worshipped by the Celts
References in periodicals archive ?
Choosing to honor his heritage by taking the names of two Irish myths - the warrior Finn MacCumhail and the Fomorian king Balor - the dynamic Superstar quickly rose in the ranks of NXT, achieving a record-setting run with the NXT Championship as well as becoming one of the first winners of the Dusty Rhodes Tag Team Classic along with Samoa Joe.
The "Fomorian" was crafted by local artist Terry Dorrian.
Unwilling to brave the payday crowd at the local boozer, we are entertained instead by our host's complicated tale of druids, Fomorian pirates, magic eyes, and severed heads, all by way of explaining how the nearby promontory called "The Bloody Foreland" got its name.