- n total lack of meaning or ideas
- n the trait of acting rashly and without prudence
- A fully automated house continues to function with mechanical mindlessness long after its inhabitants have been incinerated in a nuclear holocaust.
- He seethed at the mindlessness and the menace behind the Soviet regime's response to his music.
- The Haight-Ashbury district of San Francisco is not so much a neighborhood as a state of mindlessness.
- Tacita Dean in Times Online
In one of the essays that appear in the catalogue, Tacita Dean argues that "it is wrong to relate Twombly's marks to doodling; they come from mindfulness rather than mindlessness".