Lack of motivation or writer’s block?

I’ve often mentioned that I’ve never had writer’s block. I’m a full-time writer, so there’s always something that I want to write! That’s not writer’s block. (Choosing what to write is another matter.)

I believe I’ve also mentioned that in the last few years, I’ve been having more problems remembering the precise word—I know it exists, and it comes to me on my content-editing passes. That’s not writer’s block either.

But is lack of motivation writer’s block? I suppose it is if an author can’t wr...