Oblivion/əˈblɪviən/ Definition 1 of 3Pro Tip 1/3Unaware State Used when someone is totally absorbed and doesn't notice surroundings. She read the novel, in oblivion to the chaos around her. Pro Tip 2/3Not Negative "Oblivion" doesn't always mean something bad; can be neutral. He painted in blissful oblivion of the time passing. Pro Tip 3/3Mental Escape Sometimes used to describe a mindful or restful state. The meditation brought her to a state of complete oblivion.