easy
Be careful when you carry the full cup.
What does Careful mean?
Doing something with attention so it is safe or correct.
Dictionary definition
Taking time and paying attention so mistakes or harm are avoided.
Example sentences
Careful in a sentence
medium
A careful reader checks each word in the directions.
hard
The scientist made careful notes during the experiment.
Writing practice
Ready to write your own? Study the examples, then practice careful in a sentence with Sentence Builder checklist feedback.
Quick practice
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Practice the meaning of Careful
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does careful mean?
Careful means taking time and paying attention so mistakes or harm are avoided.
Practice 2
Which word or phrase is closest in meaning to careful?
Cautious is close in meaning to careful in this context.
Practice 3
Which word or phrase is a good contrast to careful?
Careless gives a useful opposite or contrast to careful.
Practice complete
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You completed 3 questions.
Pronunciation coach
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Careful
Voice settings
Sounds like
kair · ful · strongest beat: kair
Tap each sound part, then blend the whole word together.
Learn
WordCareful.
Partadjective.
MeaningCareful means Doing something with attention so it is safe or correct.
ExampleExample: Be careful when you carry the full cup.
Word breakdown
2 syllables. Say each part, then blend the word.
- Syllables
- kair · ful
- Strongest beat
- kair
- Ending
- ful
- Tip
- Put a little extra energy on kair.
Your turn
Say Careful
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Synonyms
Words like Careful
cautiousUse when someone avoids danger or mistakes.
thoughtfulUse when someone thinks before acting.
Antonyms
Opposite words
Synonym practice
Want to practice careful synonyms in context? Try a Synonym Search question like "The careful student checked every answer twice," then compare close word choices. Practice careful synonyms.
Word family
Careful word family
Base word
careful
adverb
carefully
In a careful way.
noun
carefulness
The habit of being careful.
adjective
careless
Not careful.
Related words
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Student support
Understand Careful
Hint for students
Careful means paying attention so something is safe, correct, or not damaged.
Common mix-up
Careful does not mean slow every time. A careful person may move slowly, but the important idea is paying attention.
Try it in class or at home
Write one sentence that shows careful without using the word careful. Underline clue words that show attention, safety, checking, or avoiding mistakes. Example: Ben checked each step before he crossed the wet floor. Clue words: checked, each step, wet floor. Now try your own sentence. Ask: Does my sentence show someone paying attention or avoiding a mistake?
Teacher prompt
Ask students to explain the sentence "A careful reader checks each word in the directions." What action shows the reader is careful?
Learning activities
Practice Careful and explore more word games
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Sentence Builder
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Context Clue Challenge
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Synonym Search
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