I would rather not use any language that is considered "inappropriate" to use around any ages. I am often around all ages of people, as well as genders. So I would rather not get into the habit of using any language that may be considered "inappropriate" because I'd rather not treat anyone with disrespect.
I feel it's pretty easy to communicate to everyone that I communicate with...without using any of the words that may be deemed "inappropriate." I just do not see the benefit in using a lot of the terms either.
They may be just
words, as someone has mentioned. But words do carry a lot of meaning to many people, genders, cultures, etc. The whole sin argument...it's a lot easier just not to use them so you don't have to worry about "is it a sin or not?"

. But really, if we have to question things like this, is it something that we really should get wrapped up into? If it's that big of a problem, either don't do it (swear/cuss/whatever else you want to call it) and then you don't have to worry about the "sin" part of it OR do it (swear/cuss/whatever else you want to call it) and then you will continue to question the whole legitimacy of it being a "sin" or "not being a sin."
I have gone 8+ years without saying a "curse word." I don't think it's that hard. I've been able to clearly communicate with whoever I need to...no need to pick up another habit -- especially one that has little to no benefits.