Entry 1 sense Webster, 1913 Decrepitation · De·crep·i·ta·tion · IPA /dɪˌkɹɛpɪˈteɪʃən/ 01 n. The act of decrepitating; a crackling noise, such as salt makes when roasting. 1. The act of decrepitating; a crackling noise, such as salt makes when roasting.