birthday effect

noun

A statistical phenomenon where an individual's likelihood of death appears to increase on or close to their birthday, variously attributed to alcohol consumption, psychological stress, increased suicide risk, and other factors.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noun
  1. mathematicsA statistical phenomenon where an individual's likelihood of death appears to increase on or close to their birthday, variously attributed to alcohol consumption, psychological stress, increased suicide risk, and other factors.
Cite this entry
APA

birthday effect. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/birthday%20effect

MLA

“birthday effect.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/birthday%20effect. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “birthday effect,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/birthday%20effect.

Source: birthday effect on Wiktionary, CC BY-SA 4.0.