Not taking heed; careless; unmindful
Lacking intelligence; stupid or empty-headed.
The definition of fatuous is foolish or silly.
Exhibiting a lack of attention; not attentive.
Having or showing a lack or deficiency of intelligence
The definition of asinine is to be silly, stupid or ridiculous.
Tending or likely to forget.
Exhibiting profound mental retardation. The term belongs to a classification system no longer in use and is now considered offensive.
The definition of insane is someone who acts or speaks strangely because their brain isn’t working correctly.
Contrary to reason or rationality; senseless; unreasonable; absurd
(Law) Acting with or done through negligence.
Having or showing little sense, judgment, or sobriety; foolish, stupid, absurd, ludicrous, irrational, etc.
Failing to give due care or attention; inattentive.
Lacking wit or intelligence; foolish
Having no meaning or significance.
Not purposeful; aimless
Not taking due thought; thoughtless or heedless:
Not having the ability to reason
Without meaning, relevance, or force; senseless; inane
Having an environment-sensing automatically-invoked built-in computer capability
That thinks or can think; rational
Full of thought; meditative; thinking
Being neither too much nor too little; moderate:
Showing a lack of consideration:
Resulting from or acting with ill-considered haste or boldness.
Displaying a complete lack of forethought and good sense
Lacking rational direction or purpose
Thorough and painstaking in action or execution; conscientious:
Find another word for mindless. In this page you can discover 51 synonyms, antonyms, idiomatic expressions, and related words for mindless, like: neglectful, petty-minded, heedless, thoughtless, vacuous, fatuous, inattentive, indifferent, inane, oblivious and unintelligent.