- (UK) IPA (key): /ʌnˈnəʊn/, SAMPA: /Vn"n@Un/
- (US) enPR: ŭn-nōnʹ, IPA (key): /ʌnˈnoʊn/, SAMPA: /Vn"noUn/
Audio (US) (file)
- Hyphenation: un‧known
- If something is unknown, nobody knows it.
- Nothing was written down, and it was a long time ago, so his true date of birth is unknown.