Pronunciation (UK) IPA (key): /ˈjuːzə/ (US) enPR: yo͞o′zər, IPA (key): /ˈjuzɚ/ Audio (US)(file) Hyphenation: us‧er Noun Singular user Plural users User is on the Academic Vocabulary List. (countable) A user is someone who uses something. (countable) A user is someone with an account and username that lets them log in to a computer and do things on the computer.