Is it possible to imagine/invent the new word class?

Or a word which doesn't belong to any of the known classes?

If you think yes - share you wildest idea, please.

If you think no - please explain why do you think (or know) it is not possible.

I have no answer to the question at the moment, because I came up with the idea a couple of minutes ago.

If you want people to think you know more about something, when you don't, you make a life out of calling things by anything other than what they are, and claiming that your words are better in order to know better, when in fact, they're not. All they do is show off your ability to copy those who phrase those words, and distance yourself from those who do not know enough about your new found language, making them less able to criticise your belief in them. In the end, you will have achieved nothing, where others have failed.

If you want people to think you know more about something, when you don't, you make a life out of calling things by anything other than what they are, and claiming that your words are better in order to know better, when in fact, they're not.

It's called escapewords. For example the word "transcendence" which doesn't apply to any existing object, but is very useful in making you "important" in the hierarchy of fellow humans, if carefully used. I discussed this matter somewhere on this forum, but I don't remember which topic it was.

Anyway, I expected an answer more linguistics-oriented, because even transcendence is after all, a noun.

"Make everything as simple as possible, but not simpler"...Einstein.

Word classes are pretty hazy concepts: however, in as much as they exist in languages, they had to be created at some point. I can't really imagine creating a new one now though: maybe a class that identifies the function of each word in a sentence, for a language with a free word order and no inflection>>>