on call

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.

She’s on call for emergencies at all times.

From The Wall Street Journal • May 13, 2026

Having a good contractor on call is now a must-have for companies building power plants, and they are willing to pay up for them.

From Barron's • May 4, 2026

It has 40 volunteers who are on call 24/7, and who actively work with local people to prevent crime and increase safety by working with police and other agencies, according to its website.

From BBC • Apr. 29, 2026

After his mother died — a loss reflected in his fiction — he moved in with his now-wife and was on call to help with her funeral home.

From Los Angeles Times • Apr. 16, 2026

He was on call to take care of the monkeys if they became sick or needed medical attention.

From "The Hot Zone" by Richard Preston