メロメロ

na-adjective, noun, adverb

madly in love; head over heels; infatuated

Describes being completely captivated by someone, often in a romantic or doting way. Used with に and な, e.g., メロメロになる, メロメロな様子.

• 彼かれは彼かの女じょにメロメロだ。

  He is head over heels in love with her.

• あの子こ犬いぬを見みてメロメロになった。

  I was completely smitten when I saw that puppy.

na-adjective, noun, adverb

collapsed; out of spirits; exhausted

Describes being physically or emotionally drained, limp, or unable to function. Less common than the love sense; often used with に, e.g., メロメロに疲れる.

• 徹てつ夜やでメロメロになった。

  I was completely exhausted after staying up all night.