HEAT WAVE Synonyms: 11 Similar and Opposite Words

heat wave

noun

Definition of heat wave next

as in dog days

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Example Sentences

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.

Recent Examples of heat wave Bering Sea snow crab landings were down 84% in 2018 after a marine heat wave reached the seafloor. —

Dillon Amaya, The Conversation, 12 June 2026 Connecticut is bracing for a potential heat wave over a scorching few days expected to bring high humidity, temperatures that will reach the 90s and a heat index that could hit 100. —

Justin Muszynski, Hartford Courant, 11 June 2026 Upwards of 10,000 fish died in Como Lake last week after a heat wave triggered a drop in oxygen levels in the water. —

Tyler Quattrin, Twin Cities, 10 June 2026 By Wednesday, the heat begins to creep back into the area, and another heat wave takes hold Thursday through the weekend with highs in the low to mid-90s. —

Andrew Kozak, CBS News, 7 June 2026 See All Example Sentences for heat wave

Recent Examples of Synonyms for heat wave

heat

Noun

This week, temperatures are as high as 95 degrees in the city, prompting a heat alert.

— Los Angeles Times, Los Angeles Times, 20 June 2026
Meanwhile, a heat wave left more than 40 million people under heat advisories and warnings amid Juneteenth celebrations.

— Dinah Voyles Pulver, USA Today, 20 June 2026