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On call Meaning in English

expression

ˈɑn/, /ˈɔn/ /ˈkɔɫ
ON-KAWL
ˈɒn/ /kˈɔːl
ON-KAWL

Definition

If someone is "on call," they are available to work or respond to emergencies outside of their normal schedule, usually at any time they are needed.

Usage & Nuances

Commonly used for medical and technical jobs ('doctor on call'), but applies to any work where urgent response might be needed. Implies readiness, even outside work hours. Not the same as 'on duty' (actively working).

Example Sentences

The doctor is on call tonight.

basic

My dad is on call this weekend.

basic

Nurses are on call at night in hospitals.

basic

I'm on call this week, so I might have to leave suddenly if there's an emergency.

natural

Even when she's home, she's still on call in case the company needs her.

natural

He hates being on call because his phone might ring at any hour.

natural