| adjective | lacking the thinking capacity characteristic of a conscious being “the shrieking of the mindless wind” |
| adjective | requiring little mental effort “mindless tasks” |
| adjective | not mindful or attentive; - G.B.Shaw “while thus unmindful of his steps he stumbled” |
| adjective | devoid of intelligence |
| adjective | not marked by the use of reason “mindless violence” |
| mindlessness | noun | total lack of meaning or ideas |
| unmindfulness | noun | the trait of forgetting or ignoring your responsibilities |
| forgetfulness | noun | unawareness caused by neglectful or heedless failure to remember |
| asininity | noun | the quality of being asinine; stupidity combined with stubbornness |
| fatuousness | noun | a ludicrous folly |
| fatuity | noun | a ludicrous folly |
| inanity | noun | total lack of meaning or ideas |
| vacuousness | noun | indicative of or marked by mental vacuity and an absence of ideas |
| vacuity | noun | total lack of meaning or ideas |