窃用
  せつよう
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  obscure term
  using without permission
  using information obtained in the course of one's duties
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  切要
  せつよう
  adjectival nouns or quasi-adjectives (keiyodoshi)
  noun (common) (futsuumeishi)
  essential
  vital
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  節用
  せつよう
  noun (common) (futsuumeishi)
  economization
  economisation
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