Irefulness is a complex emotion that is often expressed through anger, resentment, and irritation. However, there are several synonyms that capture the feeling in different ways. Some examples include wrath, fury, rage, and indignation. These words convey a sense of intense emotions that are often associated with conflict or a desire for justice. Other related words include exasperation, annoyance, and irritation which convey a less intense emotion but still share a similar sentiment. When choosing the right synonym, it's important to consider the context in which it will be used and to choose a word that accurately captures the intended emotion.