The phrase "was put off by" means to feel a sense of aversion, disgust, or discomfort towards something or someone. However, there are several synonyms that can be used in place of this phrase to express the same emotion. These include "disgusted by", "repulsed by", "turned off by", "appalled by", "sickened by", "disinclined towards", "unwilling to tolerate", and "put out by". All of these phrases convey a negative response to something, and can be used interchangeably to express a feeling of distaste or discomfort. By utilizing these synonyms, you can add more descriptive and nuanced language to your writing or conversation.