“lol yeah” to a paragraph you spent ten minutes writing. “Ok” to a plan you floated. Dry texting is the most over-interpreted signal in modern messaging, because the same flat reply can mean three completely different things — and the words on the screen give you no way to tell which one you are looking at.
The psychology
Low interest is the read everyone jumps to first, and sometimes it is correct: minimal effort in, minimal effort reflected back, a person quietly letting a thread die without the confrontation of saying so.
Avoidant deactivation produces identical-looking text for a completely different reason. A message that wants something back — warmth, a plan, a feeling named — can register as pressure to someone avoidantly attached, and the short reply is a defense discharging that pressure, not a verdict on you.
Communication-style mismatch is the least discussed cause and often the real one: some people are simply terse over text and expressive in person, texting as a functional channel rather than an emotional one. Their dry reply and their actual regard for you may have nothing to do with each other.
How to tell them apart
Look at consistency across contexts, not the text alone. Low interest usually pairs with slow response times and no reciprocal follow-up questions anywhere. Avoidant deactivation typically shows dry texting specifically around emotional or planning content, while the same person is animated about neutral topics. A style mismatch shows up as dry texting that has been consistent since day one, paired with real warmth and presence in person or on calls.
The move
Stop auditing the word count and test the pattern instead. Send one message that is easy to answer richly if they want to — a specific question, not another paragraph — and watch what comes back. A repeat of the flat pattern across a real question, over time, is your answer; occasional dryness around only high-stakes topics is something else entirely. Either way, do not escalate your own effort to compensate for theirs — that only widens the exact asymmetry you are trying to read.
For the longer treatment of reading frame and effort asymmetry, see the Darko doctrine and he runs hot and cold.