Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Not taking due thought; thoughtless or heedless.
  • adjective Exhibiting a lack of thought.
  • adjective Incapable of the power of thought.

from The Century Dictionary.

  • Not thinking; heedless; without thought or care; thoughtless; inconsiderate: as, unthinking youth.
  • Not indicating thought or reflection; thoughtless.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Not thinking; not heedful; thoughtless; inconsiderate.
  • adjective Not indicating thought or reflection; thoughtless.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Without proper thought; thoughtless.
  • adjective Showing no regard; careless or unconcerned.
  • verb Present participle of unthink.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adverb in a thoughtless manner
  • adjective without care or thought for others
  • adjective not exhibiting or characterized by careful thought
  • adjective mentally sluggish

Etymologies

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Examples

  • "People are lousy at really paying attention to facts and evidence and are totally biased by what I call the unthinking mind," he said.

    News from www.pantagraph.com 2009

  • "People are lousy at really paying attention to facts and evidence and are totally biased by what I call the unthinking mind," Antonakis said.

    Island Packet: Home 2009

  • Social SF sneaks up on you, teaches you by exposing truths hidden in unthinking custom.

    MIND MELD: What's Your Favorite Sub-Genre of Science Fiction and/or Fantasy? 2008

  • It may serve, as it often has, to rouse the indolent from the gratification of complexional sloth, and recall the unthinking and irregular from the haunts of dissipation and vice to the blessings of serious reflection.

    The Mirror of Taste, and Dramatic Censor Volume I, Number 1

  • Now, considering how natural it is to most men to be jealous for their reputation, this is as great an imposition as can possibly be; and the unthinking are as much kept from free-thinking by the fear of being ridiculed in the club of those who set up for oracles in reason as by the fear of being cursed, excommunicated, and anathematized, by the counsel of those who set up for oracles in religion.

    Commentary on the Whole Bible Volume V (Matthew to John) 1721

  • So your solution to the problem of too many unthinking, partisan idiots in government is to ... oppose them with a different kind of unthinking, partisan idiot, while denigrating people of integrity and intelligence as “clueless”?

    The Volokh Conspiracy » Miguel Estrada Writes in Support of Elena Kagan’s Confirmation 2010

  • Their actions convinced some Israelis — particularly those on the left — that the decision to order a ground invasion revealed a kind of unthinking aggressiveness.

    Unforgiven 2008

  • Their actions convinced some Israelis — particularly those on the left — that the decision to order a ground invasion revealed a kind of unthinking aggressiveness.

    Unforgiven 2008

  • Their actions convinced some Israelis — particularly those on the left — that the decision to order a ground invasion revealed a kind of unthinking aggressiveness.

    Unforgiven 2008

  • This sort of "unthinking" technocracy, whether driven by engineers or Harvard MBAs, is rampant in most organizations in most industries.

    Jim Selman: The Gulf: Captured By Our Creations 2010

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