obliv·i·ous 
/əˈblɪvijəs/ adjective
/əˈblɪvijəs/ adjective [more oblivious; most oblivious] : not conscious or aware of someone or something
▪ We called out to them, but they remained oblivious. [=they did not notice us] — usually + of or to ▪ He was completely oblivious of [=unaware of] the fact that he'd offended them. ▪ She kept dancing, oblivious to everyone around her.
▪ We called out to them, but they remained oblivious. [=they did not notice us] — usually + of or to ▪ He was completely oblivious of [=unaware of] the fact that he'd offended them. ▪ She kept dancing, oblivious to everyone around her.
— obliv·i·ous·ly adverb
— obliv·i·ous·ness noun [noncount]
