This is the 2472nd most frequent Spanish word.
absoluto
Complete; total; unrestricted; not relative.
In this sentence, 'absoluto' is used as an adjective meaning 'absolute' or 'total' and describes the exemplary nature of the accomplishment.
Este logro es un absoluto ejemplo de dedicación.
This achievement is an absolute example of dedication.
Here, 'absoluto' is again an adjective, emphasizing the complete and unqualified nature of the silence experienced.
El silencio absoluto en la sala era inquietante.
The absolute silence in the room was unsettling.
In this context, 'absoluto' signifies total or perfect control, indicating an unattainable standard.