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To sound a warning or alarm of impending chaos, danger, or disaster. "Havoc" was originally a military order in the Middle Ages for soldiers to pillage and cause destruction; it features most famously in Shakespeare's Julius Caesar: "Cry 'Havoc,' and let slip the dogs of war." The governor cried havoc as the protest became increasingly violent. With the hurricane approaching the city, officials cried havoc and urged citizens to seek shelter.
To cause a lot of problems. Termites have wreaked havoc on the structural integrity of our house, unfortunately.
play havoc with (someone or something)
To cause issues or disruptions for someone or something. The road closures have played havoc with rush-hour traffic. This humidity is going to play havoc with my hair.
raise havoc with (someone or something)
To cause a lot of serious issues or disruptions for someone or something. The road closures have raised havoc with rush-hour traffic. The blizzard is raising havoc with travelers flying in and out of the region.
raise havoc with someone or somethingand play havoc with someone or something
to create confusion or disruption for or among someone or something. Your announcement raised havoc with the students. I didn't mean to play havoc with them.
wreak havoc (with something)
to cause a lot of trouble with something; to ruin or damage something. Your bad attitude will wreak havoc with my project. The rainy weather wreaked havoc with our picnic plans.
Sound an alarm or warning, as in In his sermon the pastor cried havoc to the congregation's biases against gays. The noun havoc was once a command for invaders to begin looting and killing the defenders' town. Shakespeare so used it in Julius Caesar (3:1): "Cry 'Havoc' and let slip the dogs of war." By the 19th century the phrase had acquired its present meaning.
Also, raise or wreak havoc . Disrupt, damage, or destroy something, as in The wind played havoc with her hair, or The fire alarm raised havoc with the children, or The earthquake wrought havoc in the town. The noun havoc was once used as a command for invaders to begin looting and killing, but by the 1800s the term was being used for somewhat less aggressive activities. For a synonym, see play the devil with.
play havoc withcompletely disrupt; cause serious damage to.
1989 Vijay Singh In Search of the River Goddess I hate contractors who come from the plains, chop down trees, play havoc with our lives.
play/wreak ˈhavoc with somethingcause damage, destruction or disorder to something: The terrible storms wreaked havoc with electricity supplies, because so many power lines were down.
To sound an alarm; warn.