Compounds of 重大

• 重大
  (adj-na,n) serious
  important
  significant
  grave
  weighty
  (P)
• 重大化
  (n,vs) aggravation
• 重大視
  (n,vs) taking (something) seriously
• 重大性
  (n) importance
  seriousness
• 重大犯罪
  (n) serious crime
  felony
• 重大問題
  (n) serious (vital) question
  a grave issue
  a matter of grave concern