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Thoughtful vs Undefined - What's the difference?

thoughtful | undefined |

As adjectives the difference between thoughtful and undefined

is that thoughtful is demonstrating thought or careful consideration while undefined is lacking a definition or value.

thoughtful

English

(wikipedia thoughtful)

Adjective

(en adjective)
  • Demonstrating thought or careful consideration.
  • *{{quote-book, year=1959, author=(Georgette Heyer), title=(The Unknown Ajax), chapter=1
    • , passage=But Richmond, his grandfather's darling, after one thoughtful glance cast under his lashes at that uncompromising countenance appeared to lose himself in his own reflections.}}
  • Demonstrating kindness or consideration for others.

    • Antonyms

    * thoughtless

    Derived terms

    * thoughtfully * thoughtfulness

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined