Definition of unbridgeable
: too wide to be crossed or joined by or as if by a bridge : unable to be bridged : not bridgeable <an unbridgeable river/chasm> < … an unbridgeable gulf between myth and reality. — Susan Cheever> < … an unbridgeable gap between the way people think here and the way they think practically everywhere else. — Meg Greenfield>
First Known Use of unbridgeable
Seen and Heard
What made you want to look up unbridgeable? Please tell us where you read or heard it (including the quote, if possible).