Entry 1 sense Webster, 1913 Infatuated /ĭnˌ-făch'-o͞o-ātˌ-ĭd/ · In·fat·u·a·ted · IPA /ˌɪnfˈætʃuːˌeɪtɪd/ 01 a. Overcome by some foolish passion or desire; affected by infatuation. 1. Overcome by some foolish passion or desire; affected by infatuation.