Wincingly is an adverb that describes an action done with pain or discomfort. Some synonyms for wincingly are grimacingly, involuntarily, wretchedly, agonizingly, and sufferingly. Grimacingly refers to a facial expression of pain, while involuntarily describes an action that is done without control. Wretchedly reflects a feeling of despair while agonizingly describes a pain that is prolonged and intense. Sufferingly emphasizes the physical and emotional discomfort that is being experienced. These synonyms can be used interchangeably with wincingly to convey a similar meaning of discomfort, pain, and suffering.