careful

adjective

care·​ful ˈker-fəl How to pronounce careful (audio)
carefuller; carefullest
1
a
: marked by wary caution or prudence
be very careful with knives
b
: marked by attentive concern and solicitude
careful farm management
c
: marked by painstaking effort to avoid errors or omissions
often used with of or an infinitive
careful of money
careful to adjust the machine
2
: exercising or taking care
careful of a child's welfare
3
archaic
b
: filling with care or solicitude
carefully adverb
carefulness noun
Choose the Right Synonym for careful

careful, meticulous, scrupulous, punctilious mean showing close attention to detail.

careful implies attentiveness and cautiousness in avoiding mistakes.

a careful worker

meticulous may imply either commendable extreme carefulness or a hampering finicky caution over small points.

meticulous scholarship

scrupulous applies to what is proper or fitting or ethical.

scrupulous honesty

punctilious implies minute, even excessive attention to fine points.

punctilious observance of ritual

Examples of careful in a Sentence

He is a careful driver. You can never be too careful about these things. Be careful! The stove is hot! She was careful of their feelings. The police were careful to leave the room exactly as they found it. Police made a careful examination of the scene. They produced a careful study of the building.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In comments at the Morgan Stanley media conference, the Fox CEO was again extremely careful to stress that the goal is not to cannibalize linear television and Fox will not advertise it on linear television but is meant purely to capture those who cut the cord or have never subscribed to cable. Jill Goldsmith, Deadline, 3 Mar. 2025 There’s potential for clarity in resolving any lingering tension, but also be careful not to speak too rashly. Valerie Mesa, People.com, 3 Mar. 2025 Gently stir in the cooked, cooled squash to coat it, being careful not to break up the squash. Patricia S York, Southern Living, 2 Mar. 2025 Installing a graphics card on a case that has an external slot bracket like this one requires builders to slide the card’s I/O bracket backward, though the slot bracket’s opening, while being careful not to snag the tabs at the bottom of the card’s bracket on motherboard components. PCMAG, 2 Mar. 2025 See All Example Sentences for careful

Word History

Etymology

see care entry 1

First Known Use

before the 12th century, in the meaning defined at sense 3a

Time Traveler
The first known use of careful was before the 12th century

Browse Nearby Words

Cite this Entry

“Careful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/careful. Accessed 10 Mar. 2025.

Kids Definition

careful

adjective
care·​ful ˈke(ə)r-fəl How to pronounce careful (audio)
ˈka(ə)r-
1
: using care : watchful
a careful driver
2
: made, done, or said with care
a careful examination
carefully adverb
carefulness noun

More from Merriam-Webster on careful

Last Updated: - Updated example sentences
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