There are numerous synonyms for the phrase "was dishonest" depending on the context and severity of the situation. Some of the commonly used synonyms include deceitful, untruthful, fraudulent, insincere, crooked, and deceptive. Other similar phrases can include lying, cheating, betraying, and misleading. These words can be used interchangeably to describe someone who has acted in a dishonest manner or has lacked morality in their actions. It is important to note that using synonyms for "was dishonest" can help to provide a clearer picture of the extent of the deceitful behavior exhibited by an individual.