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Definition of moonstruck

moonstruck

/ˈmuːn.strʌk/
moon · struck
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moonstruck Lexical Profile

moonstruck Game Scores & Validity

• adjective

1

Dreamily romantic, infatuated, or dazed by love to the point of acting foolishly or distractedly.

Example

"The moonstruck teenager spent the entire lecture staring out the window and daydreaming."

2

Unable to think or act normally; mentally deranged, crazed, or irrational (originally attributed to the supposed influence of the moon).

Example

"In the old folktale, the villagers feared wandering out under the full moon lest they become moonstruck."

Synonyms
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Antonyms
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• Nearby Words

moonship
moonshot
moonstone
moonstruck
moonwalk
moonwalker
moonwards

Word Origin & Etymology

First recorded in John Milton's 'Paradise Lost' (1674), the compound combines 'moon' and 'struck' (past participle of 'strike'), reflecting the ancient folk belief that the phases of the moon could induce madness or eccentric behavior, a notion also preserved in the Latinate word 'lunatic'.

Cite this Entry

Wordmom. (2026). Definition of Moonstruck. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/moonstruck
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