What does exception mean?
An exception is something that falls outside a general rule, pattern, or statement — a case that does not conform to what otherwise holds true. When we say 'everyone attended except Tom,' Tom is the exception. The word also denotes the act of excluding something, as in legal phrases like 'with the exception of minor damages.' In everyday speech, calling someone or something 'an exception' signals deviation from expectation: most trains run on time, but delays are a familiar exception. A related idiom, 'to take exception to,' means to object strongly or take offense at something. In computing, an exception is an unexpected event during program execution — such as a division by zero — that interrupts normal flow and must be handled deliberately. Exception carries a mildly negative connotation when describing deviations from standards but is neutral in formal and technical contexts. Its adjective form, exceptional, flips the connotation entirely, meaning extraordinarily good or unusual.
nounA person or thing that is excluded from a general statement, pattern, or rule; the act of excluding or leaving something out.
- A person or thing excluded from a general statement, rule, or pattern.
- The act of excepting or excluding; omission.
- An objection or adverse criticism (as in 'take exception to').
- In computing: an event that disrupts normal program execution, triggering special handling.
"Every rule has its exceptions, and this one is no different."
"All students must wear uniforms; the only exceptions are those with medical conditions."
"She took exception to his remark about her hometown."
The plural 'exceptions' is standard and frequently used when discussing multiple cases that deviate from a rule.
"There are few exceptions to this policy."
"Take exception" once meant to object — but every time a programmer writes code, they're asking for an "exception": a built-in escape hatch when things go wrong.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of exception
The word exception derives from the Latin 'exceptio,' meaning 'an exception' or 'objection,' which itself comes from 'excipere' — 'to take out' or 'to exclude.' This Latin verb combines 'ex-' ('out of') with 'capere' ('to take'), so at its root, an exception is literally 'a taking out' from a group or rule. English adopted the word via Old French in the late Middle Ages, and it has retained its core sense of exclusion ever since. Cognates sharing this Latin root include accept, intercept, and receive, all involving some form of 'taking' or 'capturing.'
Related word forms
How exception is actually used
Exception is standard in both formal and informal registers. The phrase 'the exception that proves the rule' is widely used but often misunderstood — it originally relied on an archaic sense of 'proves' meaning 'tests', though it now commonly implies that stated exceptions imply a broader rule.
Easily confused with exception
An exemption is an official release from an obligation or duty (e.g. tax exemption), while an exception is simply a case that falls outside a general rule or statement.