agotadora
agotadora is a Spanish adjective meaning exhausting or tiring. It is the feminine singular form of the adjective agotador. It is used to describe something or someone that causes a great deal of fatigue or depletion of energy. For example, one might describe a long journey as una caminata agotadora (an exhausting walk) or a demanding job as una jornada agotadora (an exhausting day).
The root of the word comes from the Spanish verb agotar, which means to exhaust, to use
The masculine singular form is agotador, and the plural forms are agotadoras (feminine) and agotadores (masculine).