bɔːk bɔk bɔk dɪˈtɛɹənt ˈhændɪkæp ɪmˈpɛdɪmənt ɪmˌpɛdɪˈmɛntə əbˈstɹʌk.ʃən any structure that makes progress difficult something immaterial that interferes with or delays action or progress