light-bulb moment

noun

A moment of enlightenment, inspiration or sudden realization.

Similar
eureka moment
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounlight-bulb moment (plural light-bulb moments)

plural light-bulb moments

  1. idiomaticinformalA moment of enlightenment, inspiration or sudden realization.

    Synonyms: eureka moment

Synonyms & antonyms

nounA moment of enlightenment, inspiration or sudden realization.

Similar
eureka moment
Also see
eureka moment

Origin

From light bulb + moment.

Full word history & related roots →
Cite this entry
APA

light-bulb moment. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/light-bulb%20moment

MLA

“light-bulb moment.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/light-bulb%20moment. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “light-bulb moment,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/light-bulb%20moment.

Source: light-bulb moment on Wiktionary, CC BY-SA 4.0.