A quick temper is an emotional state that leads to irrational and impulsive behavior. To describe this volatile characteristic, many synonyms can be used to give a better understanding, such as hot-headedness, short fuse, irascibility, and volatility. When someone has a quick temper, they may be described as easily provoked, impatient, irritable, or explosive. Other synonyms could include being rash, hasty, impetuous, or hotheaded. It is common for people who have a quick temper to lash out verbally or physically, which can lead to negative consequences. When looking for an appropriate synonym to describe someone with a quick temper, it is essential to consider the context and appropriate language.