Entry 2 senses · 2 variants Webster, 1913 impregnated · IPA /ˌɪmprˈɛɡnˌeɪtəd/ adj. adj. 01 adj. same as fertilized, 1. 1. same as fertilized, 1. See: fertilized Syn. fertilized, inseminated. 02 adj. same as fertilized, 1. 1. same as fertilized, 1. See: fertilized Syn. fertilized, inseminated.