Pronunciation: /ɒn kɔːl/
noun a period of time during which a person or service is available to be contacted or called upon when needed
A1 My brother is always on call for work emergencies.
A2 The doctor was on call all weekend for any medical emergencies.
B1 I have to be on call for jury duty next week.
B2 The IT department is on call 24/7 for any technical issues.
C1 As a firefighter, he is often on call for emergencies at any time of the day.
C2 The CEO is always on call for important business matters, even during vacations.
adjective describing a person or service that is available to be contacted or called upon when needed
A1 I am on call for work this weekend.
A2 The doctor is on call for emergencies tonight.
B1 The IT technician is on call for any technical issues that may arise.
B2 The police officer was on call during the holiday weekend.
C1 The firefighter is always on call for any emergencies in the city.
C2 The CEO is on call 24/7 for any important business matters.
preposition indicating that someone is available or ready to respond to a request or emergency
A1 I am always on call in case of emergencies.
A2 The doctor is on call this weekend for any medical emergencies.
B1 The IT support team is on call 24/7 to assist with any technical issues.
B2 As a firefighter, I have to be on call at all times in case of a fire.
C1 The CEO is on call to make important decisions for the company at any time of day.
C2 During the holidays, the customer service team is on call to handle any customer complaints or inquiries.
formal The doctor is on call this weekend in case of any emergencies.
informal I'll be on call for any questions you have about the project.
slang I have to be on call for work tonight, so I can't go out with you guys.
figurative As a parent, you're always on call for your children, no matter what time of day it is.
was on call
on calls
more on call
most on call
is on call
will be on call
has been on call
is being on call
on call
on call
to be on call
being on call
on call