Throttle back is a commonly used expression when referring to reducing speed or decreasing intensity. However, there are several synonyms for this phrase that can be used interchangeably. Examples of these synonyms include "slow down", "reduce speed", "pull back", "moderate", "diminish", "decelerate", "ease off", "dampen", "slacken", "curb", and "restrain". Depending on the context, some of these synonyms may be more appropriate than others. For instance, while "dampen" and "curb" may be more suited for reducing enthusiasm, "decelerate" and "pull back" may be more suited for reducing speed. Understanding these synonyms can enhance communication and make language more precise.