ˈeɪ.li.ən əbˈskjʊə(ɹ) əbˈskjʊɹ ˈstɹeɪnd͡ʒ ˈstɹeɪndʒɚ ˈstɹeɪndʒə ʌnˈnəʊn ʌnˈnoʊn ʌnˈnəʊn ʌnˈnoʊn ˌʌnˈsʌŋ being or having an unknown or unnamed source a poem by an unknown author corporations responsible to nameless owners an unnamed donor not known before used many strange words saw many strange faces in the crowd don't let anyone unknown into the house not famous or acclaimed an obscure family unsung heroes of the war not known an unknown amount an unknown island an unknown writer an unknown source not known to exist things obscurely felt surged up from unknown depths a variable whose values are solutions of an equation an unknown and unexplored region they came like angels out of the unknown anyone who does not belong in the environment in which they are found