on high

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 company agreed to donate more than 50 plate readers, free of charge for six months, to the wealthy Palisades area, where residents and law enforcement officials were on high alert about potential theft.

From Los Angeles Times • Jun. 9, 2026

That escalation returned an oil market that many analysts had described as complacent to the conflict back on high alert.

From The Wall Street Journal • Jun. 1, 2026

That was clearly not the case this quarter, but we remain on high alert.”

From MarketWatch • May 28, 2026

But weeks went by with no response from the tech companies and no sign of who might be sending her those messages - as Krug lived in abject fear, constantly on high alert.

From BBC • May 22, 2026

Ifemelu sat close to the door; the fan on the chipped table was turned on high but did little for the stuffiness in the room.

From "Americanah" by Chimamanda Ngozi Adichie