in a state of complete confusion and lack of order The traffic in the city is chaotic in the rush hour. Word Origin early 18th cent.: from chaos, on the pattern of words such as hypnotic.Extra examples It was really chaotic just before the show started. Things can be a little chaotic in our house. Things have been getting chaotic in the office recently. Things often appear chaotic to the outsider. Amid chaotic scenes in court, the long-awaited verdict was announced. It’s a bit chaotic around here at the moment.