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careful

American  
[kair-fuhl] / ˈkɛər fəl /

adjective

  1. cautious in one's actions.

    Be careful when you cross the street.

    Synonyms:
    circumspect , chary , guarded , watchful
    Antonyms:
    careless , careless , careless , careless
  2. taking pains in one's work; exact; thorough.

    a careful typist.

    Synonyms:
    scrupulous , meticulous
    Antonyms:
    careless , careless , careless , careless
  3. (of things) done or performed with accuracy or caution.

    careful research.

    Synonyms:
    rigorous
    Antonyms:
    careless , careless , careless , careless
  4. solicitously mindful (usually followed by of, about, orin ).

    careful of the rights of others;

    careful about one's behavior;

    careful in speech.

    Synonyms:
    regardful , heedful , attentive , solicitous , concerned , thoughtful
    Antonyms:
    careless , careless , careless , careless
  5. Archaic.

    1. full of anxiety or care; troubled.

    2. causing or attended with anxiety.

      a careful day.


careful British  
/ ˈkɛəfʊl /

adjective

  1. cautious in attitude or action; prudent

  2. painstaking in one's work; thorough

    he wrote very careful script

  3. (usually postpositive; foll by of, in, or about) solicitous; protective

    careful of one's reputation

  4. archaic  full of care; anxious

  5. mean or miserly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

Careful, cautious, discreet, wary imply a watchful guarding against something. Careful implies guarding against mistakes, by paying strict and close attention to details, and, often, trying to use good judgment: He was careful to distinguish between them. Cautious implies a fear of some unfavorable situation and investigation before coming to conclusions: cautious about investments. Discreet implies being prudent in speech and action and being trustworthy as a confidant: discreet in manner, in keeping secrets. Wary implies a vigilant lookout for a danger suspected or feared: wary of polite strangers. See painstaking.

Other Word Forms

  • carefully adverb
  • carefulness noun
  • quasi-careful adjective
  • ultracareful adjective

Etymology

Origin of careful

First recorded before 1000; Middle English; Old English carful, cearful; care, -ful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"We have taken a careful approach," he told MPs, adding: "We haven't made anything fit."

From BBC

He added: “If I owned a lot of U.S. equities and have a large AI weight, I would be careful what I own on the corporate debt side.”

From The Wall Street Journal

It is my job, after a careful examination of the facts, to call it, on your behalf, in careful, precise language.

From BBC

For a man known for being measured and careful in what he does, it seems quite the statement to land in a country so affected by conflict in what is his first foreign trip.

From BBC

Using old field photographs and careful detective work, Sereno and his colleagues retraced the locations in east-central Wyoming where several classic dinosaur mummies had first been uncovered in the early 1900s.

From Science Daily