Russian-English translations for редкий

• rare
  Black pearls are very rare and therefore very valuable
• sparse
  a sparse array, index, or matrix
• thin
  thin plate of metal;  thin paper;  thin board;  thin covering
  thin wire;  thin string
  thin person
• unfrequent
• unusual
  Every once in a while, though, Idol comes across an unusual talent who just blows everyone away
  It’s definitely not unusual for a couple to meet through friends or be set up on a date
  His behavior was unusual in that it was considered childish for a man of his age