Final answer:
The word 'insuperable' means impossible to overcome. It refers to a situation, obstacle, or challenge that cannot be conquered or defeated. Correct option is 1.
Step-by-step explanation:
The word 'insuperable' means impossible to overcome. It is used to describe a situation, obstacle, or challenge that cannot be conquered or defeated.
For example, if someone faces an insuperable barrier, it means that the barrier is too difficult or impossible to overcome.
So, the correct option for the meaning of the word 'insuperable' is 1) Impossible to overcome.