The English language is rich in vocabulary, and there are many synonyms for the phrase "is angry." If someone is furious, they may be described as incensed, irate, indignant, or livid. They may also be said to be annoyed, agitated, or upset. Other descriptors include enraged, vexed, irritated, and exasperated. If someone is irritated but not yet angry, they may be described as frustrated, irked, or perturbed. It is always helpful to have a wide range of words at our disposal to portray emotions and communicate clearly.