The exception that proves the rule
phrase
An anomaly that confirms a general rule.
Almost everyone arrived on time, John was the exception that proves the rule.

Often appears as...
- he is the exception that proves the rule
- this is the exception that proves the rule
Usage tips
Formal
Idiomatic
phrase
An exception that tests and confirms the validity of the rest of the conditions in a rule.
Even the best system has its flaws, highlighting the exception that proves the rule.

Often appears as...
- there's the exception that proves the rule
- it’s the exception that proves the rule
Usage tips
Formal
Technical, Academic
phrase
An anomaly that confirms a general rule.
Almost everyone arrived on time, John was the exception that proves the rule.

Often appears as...
- he is the exception that proves the rule
- this is the exception that proves the rule
Usage tips
Formal
Idiomatic
phrase
An exception that tests and confirms the validity of the rest of the conditions in a rule.
Even the best system has its flaws, highlighting the exception that proves the rule.

Often appears as...
- there's the exception that proves the rule
- it’s the exception that proves the rule
Usage tips
Formal
Technical, Academic
Definition 1 of 2

Figurative Sense
Understand it's not literal; it points to unusual cases highlighting a rule's general truth.

In a sea of tech enthusiasts, her indifference to smartphones is the exception that proves the rule.
Not Justifying Errors
It's not used to excuse mistakes but to emphasize the reliability of a general pattern.

He rarely makes spelling errors, his one mistake was the exception that proves the rule.
Irony and Surprise
It can express irony or surprise when an unlikely event occurs amidst the usual pattern.

A sunny day in the rainy season could be said to be the exception that proves the rule.
Figurative Sense
Understand it's not literal; it points to unusual cases highlighting a rule's general truth.

In a sea of tech enthusiasts, her indifference to smartphones is the exception that proves the rule.
Not Justifying Errors
It's not used to excuse mistakes but to emphasize the reliability of a general pattern.

He rarely makes spelling errors, his one mistake was the exception that proves the rule.
Irony and Surprise
It can express irony or surprise when an unlikely event occurs amidst the usual pattern.

A sunny day in the rainy season could be said to be the exception that proves the rule.
Figurative Sense
Understand it's not literal; it points to unusual cases highlighting a rule's general truth.

In a sea of tech enthusiasts, her indifference to smartphones is the exception that proves the rule.
Not Justifying Errors
It's not used to excuse mistakes but to emphasize the reliability of a general pattern.

He rarely makes spelling errors, his one mistake was the exception that proves the rule.
Irony and Surprise
It can express irony or surprise when an unlikely event occurs amidst the usual pattern.

A sunny day in the rainy season could be said to be the exception that proves the rule.
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