The word "Limeys" is a slang term that has historically been used to refer to British people, especially sailors. However, this term is now considered derogatory and offensive. It is important to use respectful language when referring to different cultures and nationalities. Some appropriate synonyms to use instead of "Limeys" could be "British people," "Brits," "the British," or "the United Kingdom." It is vital to remember to be considerate of people's cultural identities and history and avoid using derogatory or degrading language. Ultimately, using inclusive and thoughtful language can help promote mutual understanding and respect among all people.