# aberrancy

CEFR C1 · Noun

Source: https://englishreference.com/word/aberrancy
Updated: 2026-05-18

## Definition

a strange or unusual behavior that is different from what is normal. It can also describe a physical mistake in a shape or a pattern.

For teachers: a deviation from what is normal, expected, or acceptable; a physical or optical distortion. Often used to describe a single instance of behavior that is out of character.

## Examples

- The sudden change in his behavior was a complete aberrancy.
- The scientist noted that the lens had a minor aberrancy that caused the image to appear slightly blurry.
- While the company's quarterly profits were an aberrancy, the overall trend of declining sales suggested a deeper structural problem within the organization.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.