Triskaidekaphobia
//ˌtɹɪskaɪdɛkəˈfəʊbi.ə// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Fear or dislike of the number thirteen (13). uncountable
"Yet, despite beliefs that triskaidekaphobia began long ago and has been passed down through the centuries, the earliest known reference to Friday the 13th as a dreaded day did not appear until 1913. It is merely a 20th century invention."
- 2 a morbid fear of the number 13 wordnet
Example
More examples"Yet, despite beliefs that triskaidekaphobia began long ago and has been passed down through the centuries, the earliest known reference to Friday the 13th as a dreaded day did not appear until 1913. It is merely a 20th century invention."
Etymology
From triskaideka- (“thirteen”) + -phobia.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.