RSVP stands for the French phrase répondez s'il vous plaît, which means "please reply." So when you see RSVP on an invitation, the host is asking you to let them know if you're coming. That's the whole meaning. It's a polite request for an answer, either yes or no.

The letters have stuck around in English even though most of us don't speak French, and plenty of people never learn what they actually spell out. Now you know. Below is the rest of what's useful: where it comes from, why it matters to the person throwing the party, and exactly what you should do when you get one.

The literal translation

Broken down word by word, répondez means "reply," s'il vous plaît means "if it pleases you" (the formal way to say please in French). Put together it's "reply, please."

English borrowed the abbreviation a long time ago, back when French was the fashionable language for formal invitations. The shorthand outlived the fashion. Today you'll see it on wedding cards, birthday evites, baby showers, and dinner-party texts, usually written as RSVP, R.S.V.P., or sometimes spelled out as "please reply."

Why it appears on invitations

A host needs a headcount. That's the short version. If you're planning a backyard birthday for 20, you have to know whether to buy food for 12 or 30, whether to rent extra chairs, and how many goodie bags to fill.

Every unanswered invite is a guess. RSVP is the host's way of turning guesses into a real number so they can plan the food, the space, and the budget without stress. Caterers and venues almost always want a final count by a set date, which is why the request exists in the first place.

What you should do when you see RSVP

Two rules cover almost every situation.

  • Reply either way. Yes and no are both answers. A host would much rather hear "sorry, can't make it" than hear nothing and wonder.
  • Reply by the deadline. If there's a date, treat it as the day the host stops being able to wait. Answering before then is the single kindest thing you can do for someone planning an event.

Follow whatever method the invitation asks for. That might be a phone number, a reply card in the mail, or a link. If the host used a free RSVP form, you can usually tap yes or no on your phone in a few seconds and add any plus-ones right there.

If your plans might change

Reply with your best honest answer by the deadline anyway, then message the host directly if things shift. A late change you flag is easy to work around. A blank you never sent is not.

What "RSVP by [date]" means

"RSVP by June 1" means the host needs your answer on or before that date. It's not a suggestion. Vendors, seating, and food orders tend to lock in around that day, so a reply that lands after it may genuinely be too late to count.

If you already know your answer, send it now. There's no prize for waiting until the last day, and early replies make a host's life easier.

What "regrets only" means

"Regrets only" flips the default. Instead of asking everyone to reply, the host only wants to hear from people who can't come. If you plan to attend, you don't need to respond at all. If you can't make it, you send your regrets.

Hosts use it for casual events where they expect most people to show up and don't want a flood of "yes!" messages. Read the wording carefully, because "regrets only" and a plain RSVP ask for opposite things.

Common questions

Do you reply if you can't come?

Yes. A "no" is one of the most useful replies a host can get, because it lets them adjust the count and the budget. Declining politely and on time is good manners, not a letdown.

What does "RSVP regrets only" mean?

It means reply only if you cannot attend. Silence is read as a yes, so you just show up if you're coming and send a note if you're not. It's the reverse of a normal RSVP.

Is it rude not to RSVP?

Honestly, yes. Skipping a reply leaves the host planning around a question mark, and it often means extra food and money spent on a seat nobody fills. It takes a few seconds to answer, and it saves the host a real headache.

Setting up your own RSVP

If you're on the hosting side of this, collecting replies is the easy part now. You can send one open link anyone fills in, give each guest a personal link, or post a guest list where people find their own name. A private dashboard tracks who's coming and your total headcount, plus-ones included, and duplicate replies quietly become updates instead of clutter.

Want the full picture on getting clean replies? Read our guide to a perfect RSVP form or the wedding RSVP etiquette guide if a big day is coming up.

When you're ready, you can create a free RSVP form in a minute, no signup required.