The AP Stylebook alerts readers today that the term “mistress” is no longer appropriate and writers should use “an alternative like companion, friend or lover on first reference and provide additional details later”:

But . . . why? Is this a gender thing?

Because none of those alternatives accurately describe what’s going on:

And “lover?” That just doesn’t fit:

So, what changed in a month?

Anyway, people are offering up other alternative words. Is “goomar” okay, AP?

Or how about “adulterer”?

“Skank and the cheating [a**hole] she’s boinking” works, too:

There are lots of choices!