warning sign

noun

: something which shows that something else will happen

Falling prices may be a warning sign of a recession.

Examples of warning sign in a Sentence

Recent Examples on the Web

The big picture: The expansiveness and intensity of the ongoing blazes are another warning sign among a series of recent discoveries showing that the Amazon rainforest and Pantanal wetlands are under increasing pressure from a combination of human activities and extreme climate events. —Andrew Freedman, Axios, 23 Sep. 2024

Is this a climatological warning sign, or something even more ominous? —Elizabeth Kolbert, The New Yorker, 8 Oct. 2024

The hippo pit now has a warning sign against throwing things at Moo Deng – posted prominently at the front in Thai, English, and Chinese. —Jintamas Saksornchai, The Christian Science Monitor, 19 Sep. 2024

In July’s job report, hiring slowed sharply and the unemployment rate jumped, which some took as a warning sign that a recession might be around the corner. —Brittney Melton, NPR, 6 Sep. 2024