If you’re a millennial or someone who frequently uses text messaging, it’s likely that you’ve seen the acronym TFTI crop up online — but what does it actually mean?

TFTI stands for “Thanks For The Invite” and it’s a polite way of saying you appreciate being invited to something, even if you can’t actually accept the offer. It’s usually used in response to invitations to events like parties or dinners, but can also be used in other contexts. For example, if you’re asked to join a group task at work and have to decline because of time constraints, you could say “TFTI for thinking of me” as a way of expressing your gratitude.

TFTI is very similar in meaning and usage to the longer phrase “Thanks For the Invitation” (TFI). The two phrases can be used interchangeably, but the acronym TFTI has become much more popular in recent years, likely because it’s shorter and therefore easier to type out.

The acronym TFTI is often used when saying no to an invitation, but it can also be used as a sign of genuine appreciation. You can use it as an expression of your appreciation when you are invited to an event or to do a favour for someone else. For example, someone might say “TFTI for the offer. Fortunately, I have this weekend free so I can make it” to express to their friends that they’re grateful to have been included.

However, even when used in thank-you messages, you should be aware that TFTI is an informal term. Some might interpret it as slightly dismissive if you’re responding to a formal invitation, so it’s best reserved for casual messages and invitations. In more formal settings, stick to the phrase “Thank you for the invitation”.

In conclusion, TFTI stands for “Thanks For The Invite” and is primarily used to express gratitude towards someone who has invited you to do something (even if you can’t accept). TFTI can be a polite way to turn down an invitation, or a way of expressing genuine appreciation for being thought of. However, it’s important to remember that TFTI is an informal acronym and should only be used in informal settings.