aberration
/ˌæbəˈreɪʃən/
NOUN
1. Deviation from what is normal or expected
A state, condition, or occurrence that differs significantly from what is considered normal, usual, or expected.
1.1. Unusual events and circumstances
Used to describe an isolated event, occurrence, or situation that departs from the usual pattern or expected course of events.
Synonyms
- deviation
- anomaly
- exception
- irregularity
- abnormality
- aberrance
- aberrancy
- peculiarity
- oddity
- singularity
- departure
- divergence
Antonyms
- normality
- regularity
- uniformity
- conformity
- consistency
- usualness
Examples
- The unusually cold winter was considered an aberration in the region's otherwise mild climate.
- The company dismissed the sudden decline in sales as a temporary aberration.
- Scientists investigated the unexpected results to determine whether they represented a genuine trend or merely an aberration.
Related Words
- exception
- variation
- discrepancy
- inconsistency
- outlier
- irregularity
- unusualness
- departure
- deviation
1.2. Behavior and social conduct
Used to describe unusual, unconventional, or inappropriate behavior that departs from accepted social standards or an individual's normal character.
Synonyms
- deviance
- eccentricity
- peculiarity
- oddity
- strangeness
- irregularity
- abnormality
- nonconformity
- singularity
Antonyms
- normality
- conformity
- conventionality
- regularity
- conventionalism
Examples
- His sudden outburst was regarded as an aberration because he was normally calm and composed.
- The psychologist considered the unusual behavior a temporary aberration rather than a permanent personality trait.
- The community viewed the practice as an aberration from its traditional customs.
Related Words
- eccentricity
- misconduct
- unconventionality
- nonconformity
- idiosyncrasy
- social norms
- behavior
- conduct
NOUN
2. Mental disturbance or impaired judgment
An unusual or disturbed state of mind that causes irrational thoughts, mistaken perceptions, or behavior that departs from normal mental functioning.
2.1. Mental health and psychological disturbance
Used to describe a disturbance in mental functioning, perception, or reasoning, particularly when someone experiences irrational thoughts or unusual mental behavior.
Synonyms
- mental disorder
- psychological disorder
- mental disturbance
- derangement
- insanity
- madness
- lunacy
- dementia
- delirium
- hallucination
- delusion
- alienation
- mania
- monomania
- craziness
Antonyms
- sanity
- rationality
- lucidity
- clearness
- good sense
- soundness of mind
Examples
- The doctor attributed his unusual actions to a temporary mental aberration.
- A moment of aberration caused her to make a decision she later deeply regretted.
- The novel portrays the protagonist's gradual descent into mental aberration.
Related Words
- psychosis
- cognition
- perception
- hallucination
- delusion
- mental illness
- irrationality
- judgment
- psychological condition
2.2. Errors in judgment and reasoning
Used to describe a temporary lapse in rational thinking or judgment that leads someone to make an unreasonable, mistaken, or foolish decision.
Synonyms
Antonyms
- good judgment
- wisdom
- soundness
- rationality
- reasonableness
- prudence
Examples
- In a moment of aberration, the experienced manager approved the questionable proposal.
- He later described his decision to abandon the project as a brief aberration in judgment.
Related Words
NOUN
3. Optical distortion or imperfection
An optical phenomenon in which a lens, mirror, or other optical system fails to produce a properly focused or accurately formed image.
3.1. Lens and image distortion
Used in optics and photography to describe distortions or imperfections that affect image sharpness, clarity, color, or geometric accuracy.
Synonyms
- distortion
- optical distortion
- optical aberration
- chromatic aberration
- spherical aberration
- deformation
Antonyms
Examples
- The photographer selected a high-quality lens to minimize optical aberration.
- Chromatic aberration can produce unwanted color fringes around objects in photographs.
- The optical engineer adjusted the lens elements to reduce spherical aberration.
Related Words
- lens
- mirror
- refraction
- focal point
- chromatic dispersion
- spherical lens
- image formation
- optical system
- photography