call in

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call in

The mechanic had to call in the defective auto tires for a safety recall.

Definition
  1. Verb (transitive):

    • To request or order the return of something: To officially ask for something, especially a product, to be sent back, often because of a problem or defect.
    • To demand the repayment of a loan or debt: To formally require that borrowed money be paid back.
    • To summon someone for assistance or consultation: To ask for a person, especially an expert, to come to a place to help or give advice.
    • To ask someone to enter: To request that a person who is waiting should come into a room or area.
  2. Verb (intransitive):

    • To make a telephone call to a place, especially to one's workplace or a broadcast station: To contact by phone, typically to report something or participate.
Usage Examples
  • Verb (transitive - request return):
    • The company had to call in all the faulty chargers due to a safety risk.
    • The manufacturer issued a notice to call in the affected vehicles.
  • Verb (transitive - demand repayment):
    • The bank can call in the loan if you miss three payments.
  • Verb (transitive - summon for help):
    • When the pipe burst, we had to call in a plumber immediately.
    • The police called in a forensic specialist to examine the scene.
  • Verb (transitive - ask to enter):
    • "The doctor will call you in shortly," said the receptionist.
  • Verb (intransitive - make a phone call):
    • Listeners are encouraged to call in with their questions.
    • She had to call in sick because she had a high fever.
Advanced Usage
  • "to call in a favor": To ask someone to repay a past kindness or help.
    • I had to call in a favor from an old friend to get the tickets.
  • "to call in an airstrike/military support" (specialized): To request military assistance, typically via radio.
    • The unit was surrounded and had to call in air support.
Variants and Related Words
  • Call-in (noun/adjective): Describing a radio or TV program that accepts telephone calls from the audience.
    • He hosts a popular call-in show about gardening.
  • Recall (verb): A close synonym for "call in" when meaning to request the return of a product.
Synonyms
  • Summon: To authoritatively call for someone to come (e.g., ).
  • Withdraw: To remove something from circulation or use (e.g., ).
  • Phone in: To make a telephone call to a place, very similar to the intransitive use.
Related Phrasal Verbs
  • Call back: To return a phone call; also similar to "call in" meaning to request a return.
    • I'll call back later. / They called back the latest model.
  • Call on: To visit someone briefly.
    • We called on our neighbors yesterday.
  • Call up: To summon for military service; to telephone someone.
    • He was called up for duty. / I'll call you up tonight.
call in

The mechanic had to call in the defective auto tires for a safety recall.

Verb
  1. cause to be returned
    • recall the defective auto tires
    • The manufacturer tried to call back the spoilt yoghurt
  2. demand payment of (a loan)
    • Call a loan
  3. make a phone call
    • call in to a radio station
    • call in sick
  4. take a player out of a game in order to exchange for another player
  5. pay a brief visit
    • The mayor likes to call on some of the prominent citizens
  6. summon to a particular activity or employment
    • Experts were called in
  7. summon to enter
    • The nurse called in the next patient