The phrase "gun-shy" typically refers to someone who is hesitant or nervous, often due to past negative experiences. Some synonyms for this phrase include cautious, wary, timid, apprehensive, hesitant, indecisive, reluctant, hesitant, hesitant, and fearful. Depending on the context, these words can be used interchangeably with "gun-shy" to describe someone who is reluctant to take risks or who is hesitant to act due to fear or uncertainty. While the words may have slightly different connotations, they all convey a similar meaning and can be useful in conveying a particular tone or attitude.