Refusal is the act of declining an offer or request. There are various synonyms for refusal, which can be used interchangeably in different situations. Some of the common synonyms for refusal include denial, rejection, dissent, declination, disapproval, and non-acceptance. While rejection implies a more formal dismissal, denial connotes a more personal or emotional reaction. On the other hand, disapproval denotes negative judgment, and dissent suggests disagreement with a proposed course of action. Declination and non-acceptance are softer but non-committal ways of expressing refusal. In summary, the choice of synonyms for refusal may depend on the context, tone, and level of formality of the conversation.