The correct answer is- 'Order' Key Points - let's look at the meaning of the given word and the correct answer: - Chaos(noun): a state of total confusion with no order. - Example: Snow and ice have caused chaos on the roads. - Order(noun): a situation in which everything is arranged in its correct place. - Example: The house was such a mess that she spent the whole day trying to establish some kind of order. Hence, the word Order is the most appropriate antonym for Chaos.