havoc

American  

[hav-uhk] / ˈhæv ək /

noun

1. great destruction or devastation; ruinous damage.

   Synonyms:

   waste, ruin, desolation

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verb (used with object)

havocked, havocking

1. to work havoc upon; devastate.

verb (used without object)

havocked, havocking

1. to work havoc.

   The fire havocked throughout the house.

idioms

1. cry havoc, to warn of danger or disaster.

2. play havoc with,

   1. to create confusion or disorder in.

      The wind played havoc with the papers on the desk.

   2. to destroy; ruin.

      The bad weather played havoc with our vacation plans.

3. wreak havoc. see wreak havoc.

havoc British  

/ ˈhævək /

noun

1. destruction; devastation; ruin

2. informal confusion; chaos

3. archaic to give the signal for pillage and destruction

4. (often foll by with) to cause a great deal of damage, distress, or confusion (to)

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verb

1. archaic (tr) to lay waste

havoc More Idioms  

1. see cry havoc; play havoc.

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Usage

What does havoc mean? Havoc means chaos, disorder, or confusion. It can also mean destruction, damage, or ruin. In many cases, it refers to a combination of these things. The phrase wreak havoc means to cause chaos or destruction or both. The phrases play havoc and raise havoc mean the same thing. Havoc is associated with seriously destructive and chaotic situations, such as natural disasters, as in The hurricane caused havoc throughout the region. But it can be used in a range of situations. An illness can wreakhavoc on your body. A virus can cause havoc in a computer network. The wind can wreak havoc on your hair. In most cases, havoc causes a situation that was (at least somewhat) orderly to become disorderly, especially when there is damage or destruction involved. The phrase cry havoc means to raise an alarm or give a warning. Havoc can be used as a verb meaning to cause havoc or destroy, but this is rare. Example: A major accident on the highway has wreaked havoc on the morning commute, causing traffic jams and delays for miles around.

Related Words

See ruin.

Other Word Forms

• havocker
  noun

Etymology

Origin of havoc

First recorded in 1400–50; late Middle English havok, from Anglo-French (in phrase crier havok “to cry havoc,” i.e., “utter the command havoc! ” as signal for pillaging), Middle French havot in same sense, from Germanic

Explanation

Havoc is a noun that means devastation or total mayhem. Havoc is often wreaked by hurricanes, angry mobs, plundering Vikings, and wild parties that get out of control. If we trace havoc way back, we arrive at a crossroads. Some people believe that the word comes from the Old French havot, meaning “plundering, devastation,” while others argue that it was passed down to us from the Latin habere, meaning “to have, possess.” Either way you look at it, the meaning remains the same: widespread disorder or destruction.

Example Sentences

The unemployment rate in the information-technology job market increased to 3.8% in April from 3.6% in March—reflecting an ongoing uncertainty in tech as AI continues to play havoc with hiring.

From The Wall Street Journal • May 8, 2026

Yerson Granados used to fish off Colombia's Caribbean coast for a living, but when he discovered the havoc he was wreaking on coral reefs, he changed his ways.

From Barron's • May 7, 2026

Will she use this financial arrangement to wreak more havoc on your personal and financial lives?

From MarketWatch • Apr. 29, 2026

And they were unaware, or unconcerned, that that chemical was wreaking havoc on the soil, weakening the trees’ defenses, leaving them extremely vulnerable to disease.

From Slate • Apr. 20, 2026

“From the south. A small garrison in Moat Cailin can play havoc with any army coming up the causeway, but the ruins are vulnerable from the north and east.”

From "A Dance with Dragons" by George R. R. Martin

Related Words

• calamity
• cataclysm
• catastrophe
• chaos
• confusion
• destruction
• devastation
• disruption
• mayhem