- not using one's mind; showing little or no intelligence or intellect; senseless or thoughtless
- taking no thought; heedless or careless (of); unmindful
See mindless in American Heritage Dictionary 4
a. Lacking intelligence or good sense; foolish.
b. Having no intelligent purpose, meaning, or direction: mindless violence.
- Giving or showing little attention or care; heedless: mindless of the dangers.
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