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Definitions

heat wave

[heet weyv] / ˈhit ˌweɪv /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The outage comes as Southern California broils under a multiday heat wave that has sent temperatures climbing into the 80s and 90s across the Southland.

From Los Angeles Times • Mar. 18, 2026

Southern California is entering its second day of the potentially worst heat wave for March, ever, and temperature records have already begun to fall.

From Los Angeles Times • Mar. 17, 2026

Climate scientist Daniel Swain described it as “a full-on summer heat wave in March” in a post on X.

From Los Angeles Times • Mar. 17, 2026

A potentially dangerous, record-setting heat wave is forecast to scorch Los Angeles on Thursday and Friday, with some triple-digit highs possible — up to 30 degrees above normal for this time of year.

From Los Angeles Times • Mar. 16, 2026

A heat wave hits like the sun dropped in.

From "The Hate U Give" by Angie Thomas