"Worstness" refers to the state or quality of being in the worst condition or situation. When looking for synonyms to convey the same meaning, one can use terms such as "abhorrence", which represents extreme hatred or disgust. Alternatively, "atrociousness" can be used to describe something utterly terrible or heinous. Another suitable synonym is "deplorability", emphasizing the despicable or unfortunate nature of a situation. "Undesirability" can also be employed to convey the negative aspects or lack of appeal in a particular scenario. In summary, these synonyms provide various options to describe the "worstness" of a condition or circumstance, allowing for more precise and dynamic language usage.