procrastination UK /pɹəʊˌkɹæs.tɪˈneɪ.ʃən/US /pɹoʊˌkɹæs.tɪˈneɪ.ʃən/ noun1 •The act of postponing, delaying or putting off, especially habitually or intentionally.Procrastination is the thief of time; year after year it steals until all are fled. — 1742 formsprocrastinations