• (RP) IPA: /ˈlɑːstɪŋnɪs/
• (GA) IPA: /ˈlæstɪŋnɪs/

lastingness (uncountable)

1. The property of lasting; duration, permanence.
   • 1603, Michel de Montaigne, chapter 12, in John Florio, transl., The Essayes, […], book II, printed at London: By Val[entine] Simmes for Edward Blount […], OCLC 946730821 ↗:

     Now lastingnesse {{transterm

• abidingness, protractedness; see also Thesaurus:lastingness or Thesaurus:permanence