disposable UK /dɪsˈpəʊzəbl̩/US /dɪsˈpoʊzəbl̩/adjective 3noun 2forms 3 adjective3 •That can be disposed of. •That is designed to be discarded rather than reused, refilled or repaired.Rather than purchase an expensive razor he bought a packet of cheap disposable ones. •Available to be used; at one's disposal. noun2 •Any object that is designed to be disposed of, rather than refilled or repaired.Parents who use cloth diapers often use disposables for travel, nights, or both. — 2010 •A disposable vaporizer, as for nicotine or a concentrate of cannabis (THC). formsdisposables · more disposable · most disposable