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mind‧less

1 completely stupid and without any purpose [= senseless]:
His drinking bouts often ended in acts of mindless violence.
His drinking bouts often ended in acts of mindless violence.2 if something is mindless, you can do it or watch it without thinking or using your mind :
Doug was watching something mindless on television.
the mindless routine of military discipline
Doug was watching something mindless on television.
the mindless routine of military discipline3 not paying attention to something, especially something dangerous or unpleasant :
After lunch we explored the city, mindless of the rain.
mindless of something
After lunch we explored the city, mindless of the rain. —mindlessly adverb
