Even if those offended are just ignorant about the word "Hinayana", why use it?

Why use a word thought by some to be offensive even if the meaning isn't meant to be offensive? There is no other word that can be used? Would using another word (or phrase) be compassionate towards those who might get offended by it's use even if the intent wasn't to offend or provoke? Is "Hinayana" so sacred, useful and descriptive that it must be used even when talking to an audience that likely has people in it who would be offended?