- (obsolete) Crazy or insane when affected by the phases of the Moon.
- (by extension) Showing irrational behaviour, especially of a romantic or sentimental nature.
- (obsolete) Made sick, or (like fishes) unsuitable for food, by the supposed influence of the Moon.
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for moonstruck in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)