Untextable Posted in U Best definition Untextable Unable to carry on a meaningful conversation via text messages. Doesn’t promptly reply to text messages or doesn’t text at all. You can never get him to respond to a text, just call him. He’s untextable. How satisfied are you with the definition? Looking for Untextable meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 44 times.