What does «exhaustivo» mean in Spanish?

That exhausts or hastens completely; that exhausts what it is dealing with or that is very complete or profound in a given subject. It is said of that which is complete and which covers all aspects of a thing.

Examples of use in Spanish: "investigación exhaustiva".

"estudio exhaustivo".

"se realizará una búsqueda exhaustiva".

"una colección exhaustiva es aquella en la que todos los casos o elementos posibles han sido tomados en cuenta".

"análisis exhaustivo".
That it is exhausting, strenuous.

Examples of use in Spanish: "se trata de un trabajo exhaustivo, pero pagan bien".