Norwegian-English translations for uunnværlig

• crucial
  The battle of Tali-Ihantala in 1944 is one of the crucial moments in the history of Finland
  A secure supply of crude oil is crucial for any modern nation, let alone a superpower
  Delbert Wilkins is the most crucial pirate radio DJ in Brixton
• indispensable
  The law was moral and indispensable. -Bp. Burnet
  An indispensable component of a heart-healthy diet.