personalisation UK /ˌpɜːs(ə)nəlaɪˈzeɪʃən/US /ˌpɝs(ə)nəlaɪˈzeɪʃən/ noun3 •The act of personalizing something, or adapting it for somebody's needs or tastes. •The configuration of a software product to suit the needs or tastes of one specific user. •(old-fashioned) The act of personifying; personification. formspersonalisations