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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.

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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

Even though it was all just dressup for a photo shoot, the young professionals were breaking the unwritten rule of finance fashion: Never dress above your station—and certainly never better than the boss.

From The Wall Street Journal Mar. 7, 2026

Another agent described the situation as "an unwritten rule" across T20 leagues with Indian investment.

From BBC Feb. 19, 2026

Even when giving advice for complex cases, “there’s an unwritten rule on how long a nurse should take per call: 12 minutes.”

From Los Angeles Times May 19, 2025

There is this unwritten rule: We all respect each other.

From "Drama High" by Michael Sokolove




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