It depends on what the meaning of “is” is.
I think a poet is anybody who wouldn't call himself a poet.
art, n. This word has no definition.
I have a very specific definition of censorship. Censorship must be done by the government or it's not censorship.
People keep referring to 'Sing Street' as a musical, but I really never felt it was that. I can't really define it as a musical.
There are a lot of discussions where people will decide that James Bond is a superhero, because he's a larger-than-life hero who beats the bad guys by doing larger-than-life things. And I don't think that's a useful definition.
People use technology only to mean digital technology. Technology is actually everything we make.
There are various ways you might define the common good, but that would be one way you could do it.
People know a planet when they see one, and I think that's a pretty darn good test, in fact, for planethood.