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Extreme superstition regarding the number thirteen.‘That test included words to spell such as ‘revelry’ and ‘triskaidekaphobia.’’
- ‘Surely Stoica could not have been suffering from triskaidekaphobia (that's fear of the number 13, for the trivia fans among you).’
- ‘I've below gathered a collection of passages concerning the folklore and superstition regarding both Friday the 13 th and triskaidekaphobia - the fear of the number 13.’
Early 20th century from Greek treiskaideka ‘thirteen’ + -phobia.
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