If you are infatuated with a person or thing, you have strong feelings of love or passion for them which make you unable to think clearly or sensibly about them. He was utterly infatuated with her = obsessed. having strong feelings of love for someone or a strong interest in something that makes you unable to think in a sensible way infatuated with (past participle of infatuare, from fatuus; FATUOUS)
If you have an infatuation for a person or thing, you have strong feelings of love or passion for them which make you unable to think clearly or sensibly about them. his infatuation with bullfighting = obsession. a strong feeling of love for someone or interest in something, especially a feeling that is unreasonable and does not continue for a long time infatuation with