Entry 1 sense Webster, 1913 Subjectivity /səb-jĕk-tĭv'-ĭt-ē/ · Sub·jec·tiv·i·ty · IPA /səbdʒɛktˈɪvɪtiː/ 01 n. The quality or state of being subjective; character of the subject. 1. The quality or state of being subjective; character of the subject.