Unbridgeable (adjective)

Not capable of being reconciled, bridged, or overcome; insurmountable.

Origin:

The word 'unbridgeable' originated in the late 19th century from the word 'un-' meaning 'not' and 'bridgeable' meaning 'capable of being bridged'.

Examples:

1. The gap between the two nations was unbridgeable.
2. The conflict between the two factions was unbridgeable.
3. The divide between the rich and poor was unbridgeable.
4. The differences in opinion between the two groups were unbridgeable.
5. The distance between the two points was unbridgeable by any known means.