Definition of personal identification number in English:

personal identification number

(also PIN)

Pronunciation /ˈpərs(ə)n(ə)l īˌden(t)əfəˈkāSHən ˈnəmbər/ /ˈpərs(ə)n(ə)l aɪˌdɛn(t)əfəˈkeɪʃən ˈnəmbər/


  • A number allocated to an individual and used to validate electronic transactions.

    ‘Firstly, you have to provide your PIN number over the phone and this has to be validated by a customer service agent.’
    • ‘Currently, users are issued a PIN number by the company.’
    • ‘Some people simply give their cash card and their PIN number to a trusted relative or a friend to draw money for them.’
    • ‘Never carry the PIN number with your cash cards.’
    • ‘Newly-issued credit and debit cards will come with smart chips to recognise this PIN number when transactions are processed.’
    • ‘Warnings had been put on many cash machines asking customers to beware of people looking over their shoulder when they enter their PIN number.’
    • ‘The system will replace signatures with a four-digit PIN number as the main way of proving customers' identities.’
    • ‘However, it turns out I hadn't realised I needed a PIN number.’
    • ‘They took out his bank cards and asked for his PIN number.’
    • ‘The unique PIN number, together with a credit or laser card and internet access is required to use the new service.’
    • ‘Bank customers have been warned they would never be asked to divulge their PIN number over the internet.’
    • ‘No bank staff will ever have a reason to ask you for your PIN number.’
    • ‘I was in the Post Office drawing out money, and they asked me to put in my PIN number.’
    • ‘If a cash machine withholds your card, report it to the bank immediately and make sure that you never disclose your PIN number to anyone.’
    • ‘Make sure that no one standing near or behind you can see your PIN number as you type it in.’
    • ‘I have auto voicemail login enabled because I hate entering my voicemail PIN number each time I want to check my messages.’
    • ‘For that reason, some systems require that in addition to using the card, users must also enter a PIN number before access is granted.’
    • ‘And you did make sure not to use the same PIN number as any other service?’
    • ‘He watched as his PIN number was typed in, and as close to $1,000,000 was transferred into his account.’
    • ‘‘In the panic of things she gave out our PIN number believing this to be a genuine call, all to be proven wrong later,’ he added.’