Translation guide
The English word "aberration" refers to something that deviates from what is normal, expected, or correct. In Japanese, the best translation depends on whether you mean a temporary anomaly, a moral deviation, an optical distortion, or a statistical outlier. This guide covers the most common and natural ways to express these nuances.
To describe something that is not typical, a departure from the usual pattern, often implying it is unusual or unexpected.
The most common and versatile word for 'abnormality' or 'anomaly'. It can be used in everyday speech and writing for anything that deviates from the norm, including weather, behavior, or test results.
This year's heat is an aberration.
His behavior was an aberration.
Often used for an unusual or abnormal change, especially in nature or physical condition. It carries a nuance of something being 'off' or a sign of trouble.
If you notice any aberration in your body, go to the hospital immediately.
Aberrations are occurring in the natural world.
Means 'exception'. Use this when the aberration is a rare case that does not follow the rule, but is not necessarily negative.
His success is an aberration.
There are no aberrations to this rule.
To describe an action or behavior that deviates from accepted moral standards, often implying it is wrong or perverse.
Directly means 'deviation' or 'digression' from a norm, rule, or standard. Commonly used for moral or behavioral aberrations.
His act is an aberration from social norms.
A set phrase meaning 'out of the ordinary' or 'beyond the pale'. It describes behavior that is wildly abnormal or irrational.
To refer to a defect in a lens or optical system, or a deviation in scientific measurements.
The standard technical term for optical aberration (e.g., chromatic aberration, spherical aberration). Used in physics and photography.
This lens has little chromatic aberration.
Correct spherical aberration.
Means 'distortion' or 'warping'. Can be used for optical distortion in a general sense, but also for abstract distortions.
To describe a data point that deviates significantly from the rest, often in a scientific or analytical context.
While 異常 can mean 'abnormal', using it alone for moral aberrations may sound vague. For clear moral judgment, use 逸脱 or 常軌を逸した.
His behavior is an aberration.
異常 is a general term for abnormality, while 異変 implies a change or incident that is out of the ordinary, often with a sense of alarm. Use 異変 for sudden, noticeable changes in condition or environment.
Sexual aberrations can be criminal.
Everyone was shocked by his aberrant behavior.
Literally 'abnormal behavior'. Used in psychology or everyday contexts to describe actions that are not normal.
The patient exhibited aberrations in behavior.
There is an aberration in the image.
外れ値を除外して分析する。
Analyze after removing aberrations.