Oblivious usually has to do with not being conscious or aware of someone or something. When used with this meaning, it can be followed by either to or of:
Oblivious definition, unmindful; unconscious; unaware (usually followed by of or to): She was oblivious of his admiration. See more.
adjective. Lacking conscious awareness; unmindful: oblivious to her surroundings; oblivious of the criticism against him. Archaic Lacking all memory; forgetful.
Principal Translations: English: Spanish: oblivious adj adjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."