/kay"os/ , n.
1. a state of utter confusion or disorder; a total lack of organization or order.
2. any confused, disorderly mass: a chaos of meaningless phrases.
3. the infinity of space or formless matter supposed to have preceded the existence of the ordered universe.
4. ( cap. ) the personification of this in any of several ancient Greek myths.
5. Obs. a chasm or abyss.
[ 1400-50; late ME ]
Syn. 1. disarray, jumble, turmoil, tumult.
Ant. 1. order, peace, calm.