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unwritten rule



NOUN
rule of thumb
Synonyms


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.

See Examples For:

According to the bosses, this broke an unwritten rule: Nothing emotionally destabilizing should be brought up at the Tuesday meeting, since therapists would see clients right after.

From The Wall Street Journal ● Oct. 5, 2026

An unwritten rule has it that the top UN post rotates among the world's main regions, and now it's the turn of Latin America.

From Barron's ● Mar. 24, 2026

“Our team followed every written and unwritten rule, left no trace, and honored Yosemite’s accepted traditions.”

From Los Angeles Times ● Aug. 20, 2025

Her university has an unwritten rule that students must sign an employment contract or provide proof of internship within one year of graduation; otherwise, they won't receive a diploma.

From BBC ● Aug. 10, 2025

I remember feeling furious at Polly for so stupidly breaking the unwritten rule, but at the same time, being terribly excited about what answer Miss Lucy might give.

From "Never Let Me Go" by Kazuo Ishiguro


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