chaos

noun

cha·​os ˈkā-ˌäs How to pronounce chaos (audio)
1
a
: a state of utter confusion
the blackout caused chaos throughout the city
b
: a confused mass or mixture
a chaos of television antennas
2
a
often capitalized : a state of things in which chance is supreme
especially : the confused unorganized state of primordial matter before the creation of distinct forms compare cosmos
b
: the inherent unpredictability in the behavior of a complex natural system (such as the atmosphere, boiling water, or the beating heart)
3
obsolete : chasm, abyss

Examples of chaos in a Sentence

The loss of electricity caused chaos throughout the city. When the police arrived, the street was in total chaos. The country had descended into economic chaos.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Tonight’s chaos is actually here to teach you something, so don't shy away from it. Valerie Mesa, PEOPLE, 31 Oct. 2025 Following a few months of absolute chaos, as Nuno Espirito Santo talked himself out of a job and was replaced by Ange Postecoglou — a man with a footballing ethos that could not have been more different — Dyche is very much needed, as a steady hand on the tiller. Chris Weatherspoon, New York Times, 31 Oct. 2025 In Memory, Chastain played a social worker and single mother whose structured life is thrown into chaos when a young man dealing with dementia, played by Peter Sarsgaard, follows her home from their high school reunion. Etan Vlessing, HollywoodReporter, 30 Oct. 2025 Even for experienced sorceresses and wizards, chaos comes with a cost. Scott Meslow, Vulture, 30 Oct. 2025 See All Example Sentences for chaos

Word History

Etymology

Latin, from Greek — more at gum

First Known Use

15th century, in the meaning defined at sense 3

Time Traveler
The first known use of chaos was in the 15th century

Browse Nearby Words

Cite this Entry

“Chaos.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chaos. Accessed 3 Nov. 2025.

Kids Definition

chaos

noun
cha·​os ˈkā-ˌäs How to pronounce chaos (audio)
: complete confusion
chaotic adjective
chaotically adverb

More from Merriam-Webster on chaos

Last Updated: - Updated example sentences
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