joie de vivre

 
Pronunciation: /ˌʒwɑː də ˈviːvr(ə), ʒwad vivʀ/

noun

[mass noun]
  • exuberant enjoyment of life: they seem to be filled with joie de vivre [count noun]: she had been gripped with a joie de vivre that hitherto had been completely missing from her life

Origin:

French, literally 'joy of living'