In Spanish, the term “tóxica” is the feminine form of the adjective “tóxico,” which translates to “toxic” in English. It is used to describe something that is poisonous or harmful. In a metaphorical sense, “tóxica” can also refer to a person or relationship that is harmful, negative, or unhealthy, often used to describe emotionally or psychologically damaging behavior in interpersonal relationships. For example, someone might refer to a “relación tóxica” (toxic relationship) to indicate that the relationship is detrimental to the well-being of those involved.