poʊstˈpoʊn pɹə(ʊ)ˈɹəʊɡ pɹoʊˈɹoʊɡ ɹɪˈmɪt ɹiˈmɪt ʃɛlv ˈteɪbəl slow down the progress of; hinder His late start set him back hold back to a later time let's postpone the exam cost a certain amount My daughter's wedding set me back $20,000