adjective/de uˌsaɾ i tiˈɾaɾ/
disposable, throwaway, single-use (being intended for a single use, to be discarded rather than reused, refilled or repaired)
“Usa los vasos de usar y tirar, no los de vidrio.” — Use the disposable cups, not the glass ones.
Synonyms: desechable, descartable, de un solo uso
Literally, “to use and throw away”.