The quality of being flexible and bending easily without breaking.
Supplenesses is a good thing because it means something can move easily without getting hurt.
Examples:
The cat's supplenesses allowed it to squeeze through the small opening.
Gymnasts need a lot of supplenesses to do their tricks.
The supplenesses of the tree branches helped them sway in the wind.
The supplenesses of the rubber band made it stretch really far.
The supplenesses of the dancer's body was amazing to watch.
The supplenesses of the snake allowed it to slither through the grass.