DEAR MISS MANNERS: Maybe it’s because I took Spanish in high school instead of French, but what’s with “RSVP”? People say ...

and the expected response date. Here, we're tackling the complexities of RSVP etiquette. It turns out it's not as easy as you'd think! Related: What To Do When Guests Don't RSVP, According To ...

Even I know that the “SVP” part means “please,” so “Please RSVP” is stupid. And does it mean they want you to respond only if you’re accepting, or even if you’re not? And why French?

Related: 11 Best Phrases To Use When Canceling Plans, According to Etiquette Experts Ghosting ... Anything with an RSVP deadline requires a response, even if it's "thanks but no thanks." ...