caller
person making a phone call
The person who is using the phone to call you or another person.
the caller [on line number / on the phone]
- The caller hung up before I could ask for their name.
- Please hold while I connect you to the next available caller.
- The police traced the caller and confirmed it was a false alarm.
- The show took questions from a caller in New York.
- Your last caller had a really interesting point about remote work.
- The caller did not leave a message.
- An unknown caller tried to reach me last night.
- The radio host spoke to a caller from London.
- I did not know who the caller was.
- The caller asked to speak with my manager.
person who visits a place
A person who comes to a house or place to see someone for a short visit.
a/the caller at [a place / the door]
- We had an unexpected caller at the door just after midnight.
- The company does not accept callers without an appointment.
- She wasn’t taking any callers while she was recovering from surgery.
- The museum asked all callers to check in at the front desk.
- He was a regular caller at their home during the summer.
- There was a caller at the door this morning.
- The doctor will not see any callers today.
- We had many callers over the holiday.
- An unexpected caller arrived during dinner.
- The office only accepts callers between 9 and 5.
person announcing moves or numbers
A person who says numbers, moves, or instructions aloud in a game or dance so other people can follow.
a/the [type of event] caller
- The bingo caller read out the winning numbers slowly and clearly.
- Our square dance caller kept the energy high all night.
- The raffle caller asked everyone to check their tickets carefully.
- The new game caller struggled to keep up with the fast pace.
- As caller, she made sure every player heard each number.
- The bingo caller said the next number.
- The dance caller told everyone where to move.
- The caller spoke loudly so all players could hear.
- He worked as a bingo caller on weekends.
- The caller made a mistake and repeated a number.
function or code that calls another
In computer code, the part of the program that calls or starts another function.
the caller of [a function / method]
- The function returns an error code to the caller.
- You can inspect the caller in the stack trace to find out where the bug originates.
- This library validates its input and throws an exception if the caller passes invalid data.
- The API checks whether the caller has the required permissions.
- Control is handed back to the caller after the asynchronous operation completes.
- The caller sends data to the function.
- After the function runs, it gives a value back to the caller.
- We log the caller so we know which part of the program used this method.
- The caller must check if the result is null.
- The program stopped before it returned to the caller.
caller ID
1phone feature showing caller details
A phone service that shows you the number or name of the person who is calling you.
- Thanks to caller ID, I knew it was my boss and picked up immediately.
- She ignored the call when the caller ID showed an unknown number.
- My caller ID isn’t working, so I don’t know who is calling.
cold caller
1person making unsolicited sales calls
A person who calls many people by phone to sell something, without being asked to call them.
- I never answer my phone if I think it’s a cold caller.
- The company hired a team of cold callers to promote their new service.
- Cold callers are not allowed to contact numbers on this list.
first-time caller
1person calling a show for the first time
A person who is calling a radio show, TV show, or similar program for the first time.
- "Long-time listener, first-time caller," he said nervously on the live show.
- The host welcomed a first-time caller and asked for her question.
- As a first-time caller, she was excited to be on air.
late-night caller
1person calling late at night
A person who phones you very late at night.
- She was worried by a strange late-night caller who wouldn’t say his name.
- The hotline often hears from desperate late-night callers.
- I turned my phone off to avoid late-night callers.
unknown caller
1unidentified person calling you
A person calling you whose phone number or name you do not know or cannot see.
- I let the phone ring because it said "unknown caller."
- The police urged people not to share personal details with an unknown caller.
- My phone blocks unknown callers after 10 p.m.