This is the 8723rd most frequent Spanish word.
sin
"Sin" in Spanish means "without."
In this sentence, 'sin' is used as a preposition meaning 'without' to indicate the absence of an item when performing an action.
Salí de casa sin abrigo porque hacía calor.
I left the house without wearing a coat because it was warm.
Here, 'sin' is used to express the lack or absence of a state or condition, specifically worries.
Vivimos sin preocupaciones en un ambiente tranquilo.
We live without worries in a calm environment.
In this sentence, 'sin' denotes the absence of assistance, emphasizing that the action requires some support to be successful.