Pronunciation: /kɔːl ɪn/
verb to request someone to come to a particular place or to contact someone by phone
A1 I need to call in sick today.
A2 She called in to say she would be late for the meeting.
B1 Employees are required to call in before their shift if they cannot make it to work.
B2 The doctor advised him to call in for a follow-up appointment.
C1 The manager decided to call in a specialist to help with the project.
C2 In times of crisis, it is important to call in all available resources to assist.
adverb in a way that involves requesting someone to come to a particular place or to contact someone by phone
A1 I will call in sick tomorrow.
A2 She had to call in to work because her car broke down.
B1 The manager asked me to call in the new employees for a meeting.
B2 The doctor advised him to call in regularly for check-ups.
C1 The CEO decided to call in all department heads for a strategy meeting.
C2 The government may need to call in the military to assist with the crisis.
formal Please remember to call in to confirm your attendance at the meeting.
informal Don't forget to call in and let us know if you're coming to the party.
slang I'll call in sick tomorrow so we can go to the beach.
figurative Sometimes you just need to call in a favor from a friend.
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