The phrase "hath hunch" is not one that has commonly used antonyms. However, we could explore some possible options. One might consider the opposite of a hunch to be certainty or knowledge, implying the presence of clear evidence or reasoning rather than a feeling. Additionally, the word "hath" connotes an action or possession, so antonyms for that word might include "has not" or "lacks." Altogether, some possible antonyms for "hath hunch" might be "knows for sure," "is certain," or "lacks intuition." However, it is important to consider the specific context and intended meaning when exploring antonyms for a phrase like "hath hunch.