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Thoughtless vs Unthinkable - What's the difference?

thoughtless | unthinkable |

As adjectives the difference between thoughtless and unthinkable

is that thoughtless is marked by or showing lack of due thought or care; careless while unthinkable is incapable of being believed; incredible.

thoughtless

English

Adjective

(en adjective)
  • Marked by or showing lack of due thought or care; careless.
  • Inconsiderate, inattentive.
    • A thoughtless remark.
  • Lacking thought or consideration.
    • The debate turned into thoughtless bickering.

    Derived terms

    * thoughtlessly * thoughtlessness

    unthinkable

    English

    Adjective

    (en adjective)
  • Incapable of being believed; incredible.
  • Inconceivable or unimaginable; extremely improbable in a way that goes against common sense.
    • Nothing is unthinkable , nothing impossible to the balanced person, provided it comes out of the needs of life and is dedicated to life's further development -
  • * {{quote-news
    • , year=2011 , date=October 23 , author=Tom Fordyce , title=2011 Rugby World Cup final: New Zealand 8-7 France , work=BBC Sport citation , page= , passage=With 16 minutes left on the clock and the tension climbing through the roof, Trinh-Duc tried his luck with a penalty from just inside halfway only to push it wide, but the unthinkable now seemed a real possibility.}}

    References

    * (EtymOnLine)