Moon struck is an interesting phrase that refers to someone who is love-struck or infatuated. It means to be so deeply in love that you feel as though you are under the spell of the moon's power. However, there are several other synonyms for moon struck that can be used in different contexts. Some of these synonyms include smitten, besotted, head over heels, lovestruck, or infatuated. These words can be used to describe the same feelings of being completely entranced by someone or something, but with slightly different nuances that lend themselves to different situations. Whatever synonym is used, it connotes a powerful attraction that is hard to resist.