Antonyms for the word "believe" include, but are not limited to, doubt, distrust, disbelieve, and mistrust. These words are often used to describe sceptical or cynical attitudes towards something, someone, or a particular belief. Doubt implies uncertainty, while distrust suggests a lack of faith or confidence in someone or something. Disbelief refers to a total rejection of an idea or belief, whereas mistrust implies suspicion and wariness. At times, these words might be used interchangeably, but they convey different levels of skepticism. Understanding and employing antonyms for the word "believe" can help to clarify exactly what someone's stance is on a given topic, issue or person.