"Hath a care" is an archaic phrase that means "to be concerned." Its antonyms are several modern-day expressions that convey a lack of interest, indifference, and dispassion. A few antonyms that can be used for "hath a care" include "don't care," "couldn't care less," "not bothered," "unconcerned," and "apathetic." These phrases all suggest an absence of concern, care, and attention towards a person or matter. In contrast, "hath a care" reflects a sense of responsibility and attentiveness towards someone or something. Its antonyms, on the other hand, convey a sense of detachment and disregard.