There are many synonyms for the phrase "undeserving of care," which refers to a person or thing that is not worthy of compassion or attention. Some possible alternatives include "unworthy of sympathy," "unworthy of support," "unsympathetic," "uncaring," "inhumane," and "heartless." Other related terms might include "callous," "cold-hearted," "unsympathetic," or "indifferent." Regardless of the specific word choice, any of these synonyms suggests a lack of empathy or concern towards a person or situation that is in need of care or support. Such attitudes are often seen as unfair and unkind, and may harm the well-being of those who are already struggling.