Compounds of 赤い

• 赤い
  (adj-i) (1) red
  (2) Red (i.e. communist)
  (P)
• 赤い糸
  (n) red string (traditionally fated lovers are joined by this unseen string)
• 赤い羽根
  (n) red feather
• 隣の花は赤い
  (exp) (id) The grass is always greener on the other side of the fence