unbridgeable
1. [ adjective ] not bridgeable
Examples:

"a wide unbridgeable river" "unbridgeable generation gap"

Related terms: bridgeable
Similar spelling:   unabridged
  unverifiable
  unpredictable
  unbreakable
  unbridled
  unprovable
  unprintable
  unpredictably
  unprofitable
  unprocurable
  unbreakableness
  unvariedness
  unpresidential