The antonyms for "doeth favor" are refuse, deny, neglect, and ignore. Refusing a favor means declining it politely or firmly, while denying a favor implies rejecting it outright, without any explanation or hesitation. Neglecting a favor suggests overlooking or forgetting it due to a lack of interest or attention, and ignoring a favor signifies deliberately disregarding it or showing indifference towards it. These antonyms highlight the opposite actions of doing a favor, which include turning down, dismissing, disregarding, or neglecting someone's request or need for assistance. It is important to consider the context and consequences of these antonyms when deciding whether to do or not do a favor for someone.