noun
1
BAD : I was very nervous during the appointment and I'm sure they'll give the job to someone else.
GOOD : I was very nervous during the interview and I'm sure they'll give the job to someone else.
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appointment = an arrangement that you have made to see a doctor, dentist, business person, etc at a particular time: 'You can't see the manager without an appointment.' 'My appointment was for ten thirty.'
interview = a formal meeting at which people ask you questions to see if you are suitable for a particular job, course of study, etc: 'If they're interested in your application, they'll ask you to go for an interview.'
2
BAD : I had an appointment with Takumi, a friend of mine.
GOOD : I had arranged to meet Takumi, a friend of mine.
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You make an appointment to see a doctor, principal, business person, etc: 'I've got an appointment to see Dr Tanner on Tuesday.'
You arrange to meet/see a friend, relative, etc: 'We've arranged to meet Alan at the swimming pool.'