Frequency rank: 27,995. – 28,208.
    expressions (phrases, clauses, etc.); adjective (keiyoushi)
  1. cannot do without something; indispensable; absolutely necessaryword usually written using kana alonesee also
  2. have to doword usually written using kana aloneafter negative base of verbsee also
Forms
  • Frequency rank: 27,995. – 28,208.
  • なくてはならないFrequency rank: 43,061. – 43,772.