cardinal sin
Britishnoun
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theol any of the seven deadly sins
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informal an unforgivable error or misjudgment
lack of impartiality is considered a cardinal sin in broadcasting circles
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.
Some believe turning up with an iced matcha latte in hand is a cardinal sin.
From BBC ● Sep. 25, 2026
To his new coach, the spectacular move constituted a cardinal sin.
From The Wall Street Journal ● Sep. 11, 2026
It did strike me as odd, however, that “Tony” is forged on a factual alteration that diverts Tony from the kitchen far too often — the movie’s cardinal sin.
From Salon ● Aug. 12, 2026
That has always been considered a cardinal sin in the sport.
From Los Angeles Times ● May 17, 2025
He had committed the cardinal sin of putting his own interests ahead of the organization and the people.
From "Long Walk to Freedom" by Nelson Mandela
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