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careful - definition and synonyms

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adjective     careful pronunciation in American English
  1. 1
    if someone is careful, they think about what they are doing so that they do not do anything wrong or so that they avoid problems

    Teachers have to be careful when criticizing pupils.

    Even the most careful proofreader will miss the occasional error.

    careful who/what/how:

    You must be careful who you accept a lift from.

    careful (that):

    Be careful that the medicine is kept away from children.

    careful about:

    People should be more careful about the things they say.

    be careful to do something:

    She was careful to keep her records up to date.

    1. a.
      trying hard not to cause harm or damage
      careful with:

      Please be very careful with those plates!

    2. b.
      used about someone’s actions

      The project needs careful planning.

      After careful consideration, we are giving the prize to a children’s book.

      She took a few careful steps into the water.

  2. 2
    spending money only when it is necessary

    We’re going to have to be more careful now that Dad’s lost his job.

    be careful with (your) money:

    She’s always been careful with money.

    1. a.
      used humorously about someone who is not as generous with money as they should be

derived word

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to manipulate someone psychologically so that they begin to question their own perceptions and memories

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Open Dictionary

Dunning-Kruger effect

the phenomenon by which an incompetent person is too incompetent to understand his own incompetence

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