What is another word for Deviation from the norm?

Here are some other words for "deviation from the norm," depending on the specific context:

General:

* Anomaly

* Aberration

* Outlier

* Exception

* Departure

* Divergence

* Variation

* Discrepancy

* Difference

* Irregularity

More specific:

* Abnormality (when referring to something unusual or unhealthy)

* Defiance (when referring to a deliberate act of disobedience)

* Nonconformity (when referring to a refusal to follow the rules or expectations)

* Eccentricity (when referring to unusual or peculiar behavior)

* Idiosyncrasy (when referring to a distinctive feature or habit)

The best word to use will depend on the specific context and the nuance you want to convey.