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 player 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

ˈkä-mən-ˈsen(t)s 

adjective

commonsensible

ˈkä-mən-ˈsen(t)-sə-bəl 

adjective

commonsensical

ˈkä-mən-ˈsen(t)-si-kəl 

adjective

commonsensically

ˈkä-mən-ˈsen(t)-si-k(ə-)lē 

adverb

Synonyms of common sense

• prudence
• wisdom
• sense
• horse sense
• wit
• discretion

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

But some people tried to inject some common sense into the conversation. —Lizzie Lanuza, StyleCaster, 19 Mar. 2026

Of course, there's common sense. —CBS News, 19 Mar. 2026

Melinda Benson, an attorney who is assisting the lawyers bringing the suit as well as a member of the Save Catalina Island Deer group and a former island resident, says the litigation asks for common sense and scientific analysis. —Steve Scauzillo, Daily News, 18 Mar. 2026

Cat's lack of understanding (and common sense) is the jumping-off point for a ton of jokes, but also serves as a great vehicle for exposition, as the other boys from the Dwarf explain events to the loveable fool. —Robert Lea, Space.com, 14 Mar. 2026

Word History

First Known Use

1646, in the meaning defined above

Rhymes for common sense

• antisense
• commonsense
• effulgence
• frankincense
• ninepence
• nondefense
• penitence
• recommence
• recompence
• recompense
• cense
• dense

Kids Definition

common sense

noun

: ordinary good sense and judgment

commonsense

ˌkäm-ən-ˌsen(t)s

adjective