The word "irascibly" is often used to describe someone who is easily angered or irritable. However, there are several synonyms that can be used instead to convey a similar meaning. These include words such as "testily," "crabbily," "cantankerously," "peevishly," and "querulously." Each of these words carries a slightly different connotation, but all can be used to describe someone who is frequently agitated or difficult to deal with. Whether you are writing a formal letter, a creative piece, or simply trying to expand your vocabulary, incorporating these synonyms for "irascibly" can add depth and nuance to your writing.