People can still choose to talk for a while before meeting. One night only does not require an immediate plan or eliminate the need for basic compatibility.
It prevents an implied continuation
A person who wants familiar recurring chemistry can recognise that this profile is targeting a different outcome before the conversation develops.
Dates and areas make it actionable
When the preference is tied to a travel date, weekend or broad city area, include that context so the one-off search reaches adults who can actually meet.
Common questions
Read this quietly.
Is one night only the same as NSA?+
It is one form of NSA, while NSA can also recur.
Does it ban all later contact?+
It sets the expectation of no continuation; adults can only change that through a new mutual choice.
Should it appear in the profile title?+
It should be prominent enough to prevent incompatible expectations.
A visitor writes “one night only, Friday in Bristol.” A resident who wants an ongoing arrangement might be tempted to treat the limit as flexible because the conversation feels promising.
Wording you can adapt
“I understand this would be a one-off on Friday. I’m comfortable deciding on that basis.”
What this clears up
Take the stated limit seriously. If you would be disappointed without another meeting, say that before planning. An unusually good first conversation does not turn a one-off into an ongoing offer.