Entry 1 sense Webster, 1913 Disrespectful /dĭsˌ-rĭs-pĕk'-tfəl/ · Dis·re·spect·ful · IPA /dɪs.ɹɪˈspɛkt.fəl/ 01 a. Wanting in respect; manifesting disesteem or lack of respect; uncivil; as, disrespectful behavior. 1. Wanting in respect; manifesting disesteem or lack of respect; uncivil; as, disrespectful behavior.