moonstruck

adjective

moon·​struck ˈmün-ˌstrək 

: affected by or as if by the moon: such as

a

: romantically sentimental

… who can forget the '50s moonstruck lyrics of Elvis or Jerry Lee Lewis, Pat Boone or the Everly Brothers, to name a few …

—Eileen Wood

Moonstruck partners pledging eternal love may be the current definition of marriage, but this starry-eyed picture has relatively modern origins.

—Tia Ghose

b

: lost in fantasy or reverie

Filmed in Vancouver, Cousins is set in a sun-kissed, moonstruck world, where life looks great—because it is always in soft focus.

—Scot Haller

c

: not mentally sound

Synonyms

• balmy
• barmy [chiefly British]
• bats
• batty
• bedlam
• bonkers
• brainsick
• bughouse [slang]
• certifiable
• crackbrained
• cracked
• crackers
• crackpot
• cranky [dialect]
• crazed
• crazy
• cuckoo
• daffy
• daft
• demented
• deranged
• fruity [slang]
• gaga
• haywire
• insane
• kooky
• kookie
• loco [slang]
• loony
• looney
• loony tunes
• looney tunes
• lunatic
• mad
• maniacal
• maniac
• mental
• meshuga
• meshugge
• meshugah
• meshuggah
• non compos mentis
• nuts
• nutty
• psycho
• psychotic
• scatty [chiefly British]
• screwy
• unbalanced
• unhinged
• unsound
• wacko
• whacko
• wacky
• whacky
• wud [chiefly Scottish]

Examples of moonstruck in a Sentence

a celebrity mobbed by moonstruck teenage girls

police asked psychiatrists to put together a portrait of the moonstruck marksman who was responsible for the shootings

Word History

First Known Use

1653, in the meaning defined above

Kids Definition

moonstruck

adjective

moon·​struck -ˌstrək 

1

: mentally unbalanced

2

: romantically sentimental

3

: lost in daydreams or fantasy