noun, noun which may take the genitive case particle 'no'
Describes a state where things are mixed up and lack order; often used for situations, thoughts, or the world.
The meeting fell into a state of chaos.
His mind is in confusion.
taru-adjective, adverb taking the 'to' particle
Literary or formal adjectival use with たる or adverbial use with と; less common in everyday speech.
I worry about the chaotic state of world affairs.
The situation is so confused that it's out of control.
The state of world affairs is chaotic.
Amid the chaotic situation, he kept his composure.
The political situation fell into chaos.
A new order emerged out of the chaos.