Definition

1. Adjective:
   • Suffering from triskaidekaphobia: Describes a person who has an irrational, abnormal, or persistent fear of the number thirteen.

Usage

• The word triskaidekaphobic is used to characterize an individual's psychological state regarding the number 13. It is a formal, clinical term.
• It typically functions as an adjective before a noun (e.g., a patient) or as a predicate adjective following a linking verb (e.g., He is ).

Examples

• Adjective:
  • The triskaidekaphobic executive refused to stay on the thirteenth floor of the hotel.
  • She is so triskaidekaphobic that she avoids any date containing the number 13.
  • His triskaidekaphobic tendencies led him to skip the 13th chapter in the book.

Advanced Usage

• The term can be used in a broader, sometimes less clinical sense to describe superstitious avoidance of the number 13, even if not a formally diagnosed phobia.
  • Many buildings are designed by triskaidekaphobic architects who omit a labeled 13th floor.

Variants and Related Words

• Triskaidekaphobia (noun): The abnormal fear of the number thirteen itself.
  • His triskaidekaphobia is well-known among his friends.
• Triskaidekaphobe (noun): A person who suffers from triskaidekaphobia.
  • As a triskaidekaphobe, she always plans important events for the 12th or 14th.

Synonyms

• Superstitious about the number 13: A more general, less clinical way to describe a similar aversion.
• Fearful of thirteen: A simple, descriptive phrase.

Notes

• This is a very specific, low-frequency word formed from Greek roots: (three), (and), (ten), and (fear).
• There are no common idioms or phrasal verbs associated with this precise adjective.

Adjective

1. suffering from triskaidekaphobia (abnormal fear of the number 13)