DTR stands for "define the relationship," the conversation where two people decide if they are officially dating. Not concerning, healthy dating vocabulary. Worth knowing as a parent. If your kid uses it constantly, ask them where they first heard it, not to police their speech but to understand which online community they are in. Most slang of this kind moves through TikTok and group chats, so seeing it in your child's vocabulary just means they are plugged into normal teen internet culture.
DTR
"Define The Relationship." The conversation where you clarify whether you're exclusive, official, or just seeing where it goes.
Etymology timeline
Born ~2018 · no dated citations yetSeen in the wild
The DTR signal is present on pin 20 of the 22-wire RS-232 interface using a [DB-25](https://en.wikipedia.org/wiki/DB-25 "DB-25") connector, and on pin 4 of a newer [DE-9](https://en.wikipedia.org/wiki/DE-9 "DE-9") ser…
If an [internal link](https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/DTR&namespace=0) incorrectly led you here, you may wish to change the link to point directly to the intended article.
Definitions
"Define The Relationship." The conversation where you clarify whether you're exclusive, official, or just seeing where it goes. Universally dreaded; universally inevitable. Usually needed 2–4 months in and usually weeks late.
"We finally had the DTR. Officially together now. It only took 5 months."
DTR stands for "define the relationship," the conversation where two people decide if they are officially dating. Not concerning, healthy dating vocabulary. Worth knowing as a parent. If your kid uses it constantly, ask them where they first heard it, not to police their speech but to understand which online community they are in. Most slang of this kind moves through TikTok and group chats, so seeing it in your child's vocabulary just means they are plugged into normal teen internet culture.
DTR is an informal initialism for "define the relationship," the conversation in which dating partners agree on commitment and labels. Use in casual dating conversations. Formal equivalent: "a commitment conversation." Common non-native mistake: writing it as one word "dtr" without capitalisation in formal contexts. Acronyms remain capitalised in dating-vocabulary writing. Read or listen to the word in context several times before trying it yourself; the right register is harder to learn than the dictionary meaning.
“The DTR signal is present on pin 20 of the 22-wire RS-232 interface using a [DB-25](https://en.wikipedia.org/wiki/DB-25 "DB-25") connector, and on pin 4 of a newer [DE-9](https://en.wikipedia.org/wiki/DE-9 "DE-9") serial port.”
“If an [internal link](https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/DTR&namespace=0) incorrectly led you here, you may wish to change the link to point directly to the intended article.”
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Show 1 more dictionary-style sense (imported)
(often a dedicated pin on older communication ports).
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For specific readers
Why is this section here?
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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💘About Relationships & Dating slang
How people talk about dating apps, modern romance, and the situationships they swear they're over — from ghosting and breadcrumbing to soft-launching, hard-launching, and the ick.
See all Relationships & Dating slang on Slangora.
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Semantically related
- dtr fail82%
When the Define The Relationship talk goes completely sideways — one person expected commitment, the other wanted to keep things casual, and now both are staring at their phones in separate Ubers. A DTR fail can mean miscommunication, bad timing, or simply revealing that two people were never on the same page. It's the conversational equivalent of opening a box and finding something completely different from what you ordered. The aftermath usually involves at least one sad playlist and a very long voice note to a best friend.
- dtr core82%
A relationship aesthetic defined entirely by the DTR conversation — couples who lead with the talk, set explicit labels from day one, and communicate expectations out loud rather than letting things drift into ambiguity. DTR core people have no patience for situationships or soft launches; if you're seeing each other, it has a name. The vibe is intentional, direct, and unapologetically adult. You either DTR or you're not really in DTR core. Often used to describe someone whose whole personality is label clarity.
- mega dtr82%
An especially intense, wide-ranging Define The Relationship conversation that goes far beyond just naming the relationship — covering deal breakers, future goals, emotional needs, past traumas, and maybe a projected timeline. A mega DTR can last hours and leave both parties emotionally wrung out but surprisingly clear on where things stand. It's the relationship equivalent of a full systems audit. Some couples treat it as a milestone. Others wonder why they didn't just do therapy instead.
- mid dtr81%
A Define The Relationship conversation that technically happens but resolves nothing — vague answers, non-committal energy, half-statements that trail off. A mid DTR leaves both people with a loose label that neither is fully satisfied with, like agreeing you're 'a thing' without defining what that thing actually means. It's better than no DTR but not by much. The main output is a shared narrative you'll each interpret completely differently until the next awkward conversation forces a clearer answer.
- peak dtr81%
The absolute ideal version of a Define The Relationship conversation — mutual feelings confessed simultaneously, instant agreement on labels, maybe a kiss that feels like a movie scene. Peak DTR is almost mythological. Most people hear about it secondhand. It's the version your most romantically lucky friend seems to have every time, while everyone else is dissecting mixed signals at brunch. When it actually happens to you, you replay it for weeks.