"Ruffle one's feathers" is a common idiomatic expression used to describe a situation where someone is annoyed, upset or angry. However, there are several synonyms available that can be used to convey a similar meaning. For instance, if you want to imply that someone is annoyed, you could use synonyms like "irritate," "exasperate," or "disturb." Similarly, if you want to suggest that someone is angry, you could use words such as "fume", "seethe" or "enraged". There are many different synonyms that can be used depending on the context of the situation, so it's important to choose the most suitable one to express your thoughts accurately.
