This is the 8582nd most frequent Spanish word.
sima
A "sima" is a deep abyss or chasm, often in the earth.
In this sentence, 'sima' is used to refer to a natural cavity or sinkhole, often in geological contexts.
La sima de la cueva es muy profunda.
The sinkhole of the cave is very deep.
Here, 'sima' is employed metaphorically to describe a deep emotional state of despair or depression.
Él cayó en una sima emocional de la que le costó salir.
He fell into an emotional chasm from which it was difficult for him to recover.
In this case, 'sima' is metaphorically used to describe a significant difference or gap between ideas or perspectives.