Pocket Thesaurus
Antonyms of unthinking
feckless, foolish, heedless, impulsive, inadvertent, inconsiderate, indelicate, insensitive, instinctive, mechanical, negligent, oblivious, outrageous, rash, rude, selfish, senseless, tactless, thoughtless, uncaring, unconscious, unheeding, unmindful, unpremeditated, unwise, vacant, witless, undiplomatic, unintended, unmeant, untactful, blundering, napping, unreasoning
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