It's not necessary that a term be always used in exactly the way it's intended, only that the term not be thoroughly skunked for a particular use. In the contex

It's not necessary that a term be always used in exactly the way it's intended, only that the term not be thoroughly skunked for a particular use. In the contexts where "classical roguelike" or even "roguelike" doesn't precisely communicate intent, a brief description should be sufficient.