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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.

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

That competitive streak apparently overrides the unwritten rule not to concuss one’s future spouse.

From The Wall Street Journal • Feb. 13, 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

It was an unwritten rule that if the fruit was on the ground, it was okay to take—even if it was in someone’s yard.

From Full of Beans by Jennifer L. Holm




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