1420490 jmdict A [id=2102198]
知れる[ichi1]
しれる[ichi1]
[1][v1,vi]
  to become known; to come to light; to be discovered
  [see=2229120・お里が知れる[1]]
[2][v1,vi]
  [note="usu. in the negative"]
  to be known; to be understood
  [see=2516510・気が知れない[1]]
  [see=1454580・得体の知れない[1]]
[3][v1,vi]
  to clearly not amount to much; to be insignificant
  [see=1890960・高が知れている[1]]
[4][v1,vi]
  [note="as 知れたこと"]
  to be evident; to be obvious; to go without saying
[5][v1,vi]
  [note="as どんなに…か知れない, どれほど...か知れない, etc."]
  to be very intense (of worry, hope, etc.); to be severe