insurmountable

Definitions

Too great to be overcome.

Impossible to surmount or pass over.

Examples

The mountain climbers faced an insurmountable challenge as the storm began to intensify.

Despite the insurmountable odds against them, the team managed to win the championship in the final seconds.

Synonyms

insuperable unconquerable unbeatable overwhelming impassable hopeless unachievable

Antonyms

surmountable beatable conquerable achievable manageable passable easy