Entry 1 sense Webster, 1913 Polarize /pōl'-ẽr-īzˌ/ · Po·lar·ize · IPA /ˈpoʊ.lə.ɹaɪz/ 01 v. t. To communicate polarity to. imp. & p. p. Polarized; p. pr. & vb. n. Polarizing 1. To communicate polarity to.