The phrase "hast a feeling" refers to having a certain emotion or sensation. Some antonyms for this phrase include "lack of feeling," "emptiness," "apathy," "insensitivity," "detachment," and "indifference." These words convey a sense of not caring, disinterest or aloofness, essentially the opposite of "hast a feeling." Other antonyms could include "anxiety," "fear," "worry," or "concern," which represent different and sometimes negative feelings. Depending on the context of the phrase, there may be many additional antonyms that could be used, but these give a general idea of the range of opposites that exist for the word "hast a feeling.