What to say to a girl that doesn't seem interested?

Her shorter replies are the signal to read, not a puzzle to solve with better wording. Look at the pattern. Did she stop asking you questions, or did she stop answering yours? Did the gap between replies get longer, or are her messages just shorter but still prompt? A girl who answers quickly but in three words is usually still interested and tired, distracted, or unsure how to continue. A girl who takes a day to reply and then gives you a single word is telling you she is not investing much.

What she is signalling also depends on what you asked. A yes or no question closes a thread. An open question about a plan, an opinion, or a memory gives her more room. If your last message was a question she could answer with a word, the drop may be yours to fix, not hers to explain.

Your message should be a little lighter and easier than what she sent, not heavier. There are a few kinds of message that tend to fit. One is a small, specific observation about something she said or shared, phrased as a statement she can agree with or pick up. Another is a light question that asks for a choice rather than a story, like which of two options she would pick, so answering takes a second. A third is a plain, friendly close that leaves the door open without asking her to commit to anything.

You can tell a draft is the right kind when she could reply in one word and it would still make sense, but she could also easily say more if she wanted. Leave out any line that comments on her effort, asks why she is being short, or stacks two questions together. Leave out anything that sounds like you are performing confidence. The draft should be easy to answer and impossible to read as pressure.

Send your message when it looks like a normal part of your day, not when you have been staring at her last reply for an hour. Late-night texts read as needy or as a bid for attention, and a short reply sent at night gets read as more loaded than it is. Mid-afternoon or early evening on a weekday usually lands fine.

Wait for her to reply before sending another message. If she does not answer, one follow-up after a day or two is reasonable, and it should be lighter than the first, or simply a fresh, low-stakes thing to respond to. If there is still nothing after that, stop. A week of silence is itself an answer, and continuing to send messages turns a loose thread into a visible chase. Stopping cleanly, without a passive-aggressive note, keeps the door open if she comes back later.