Moonstruck

Origin

moon + struck.

Full definition of moonstruck

Adjective

1. (obsolete) Crazy or insane when affected by the phases of the Moon.
2. (by extension) Showing irrational behaviour, especially of a romantic or sentimental nature.
3. (obsolete) Made sick, or (like fishes) unsuitable for food, by the supposed influence of the Moon.

Synonyms

• moonstricken