/ keɪˈɒtɪk; NAmE -ˈɑːtɪk/ adjective
in a state of complete confusion and lack of order :
The traffic in the city is chaotic in the rush hour.
► cha·ot·ic·al·ly / keɪˈɒtɪkli; NAmE -ˈɑːtɪk-/ adverb
••
WORD ORIGIN
early 18th cent.: from chaos , on the pattern of words such as hypnotic .