common sense

noun

: sound and prudent judgment based on a simple perception of the situation or facts
So far, I've had the common sense not to tweet anything ghastly.James Poniewozik
The poker players learns that sometimes both science and common sense are wrong. There is such a thing as absolute premonition of cards, a rock bottom surety of what will happen next.David Mamet
With tsunamis, it may seem only common sense to Earth scientists to run away from (and not toward) the water when the sea is drawn rapidly down and away from the beach as a tsunami approaches. But that response is counterintuitive for most people.Thomas C. Pierson
commonsense adjective
commonsensible adjective
commonsensical adjective
commonsensically adverb
Choose the Right Synonym for common sense

sense, common sense, judgment, wisdom mean ability to reach intelligent conclusions.

sense implies a reliable ability to judge and decide with soundness, prudence, and intelligence.

a choice showing good sense

common sense suggests an average degree of such ability without sophistication or special knowledge.

common sense tells me it's wrong

judgment implies sense tempered and refined by experience, training, and maturity.

they relied on her judgment for guidance

wisdom implies sense and judgment far above average.

a leader of rare wisdom

Examples of common sense in a Sentence

You really should go to see a doctor if your leg hurts that much. It's just common sense! Obey the laws and use common sense when operating your boat. She's very smart but she doesn't have a lot of common sense.
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.
The 6–3 opinion by Justice Samuel Alito is yet another of the fruits of the Court’s conservative majority, its fidelity to the Constitution, and its fundamental common sense. The Editors, National Review, 28 June 2025 The Trump administration is committed to restoring common sense to our student visa system; no lawsuit, this or any other, is going to change that. Peter Aitken, MSNBC Newsweek, 27 June 2025 Beyond changing the law, which would be common sense, our cities have a responsibility to vigorously enforce the misdemeanor law that does exist. U T Readers, San Diego Union-Tribune, 24 June 2025 Much like Tony Stark before her, Riri’s ambition can overtake her common sense, and avoiding traumatic memories only further isolates her focus. Ben Travers, IndieWire, 24 June 2025 See All Example Sentences for common sense

Word History

First Known Use

1646, in the meaning defined above

Time Traveler
The first known use of common sense was in 1646

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Cite this Entry

“Common sense.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/common%20sense. Accessed 1 Jul. 2025.

Kids Definition

common sense

noun
: ordinary good sense and judgment
commonsense
ˌkäm-ən-ˌsen(t)s
adjective

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