When something is strifeless, it means there is no fighting or conflict.
If something is strifeless, it is usually peaceful and calm.
Examples:
The countryside is so strifeless and beautiful.
I wish our family gatherings were more strifeless.
A world without war would be a very strifeless place.
The classroom is much more strifeless when everyone gets along.
In a strifeless world, everyone would be happy and safe.
The park is so strifeless, with no one arguing or shouting.