Antonyms for the term "high regards" include contempt, disdain, disrespect, disregard, and negligence. High regards are typically an expression of admiration, respect or esteem for someone or something. On the other hand, contempt is the opposite of high regards and means to consider something or someone as worthless, while disdain refers to a feeling of superiority over someone or something. Disrespect denotes lack of respect, while disregard means indifference towards someone or something. Lastly, negligence entails the failure to give someone or something the attention and care they deserve. Hence, while high regards denote admiration and respect, their antonyms convey a sense of disrespect, indifference, or neglect.