something that doesn't fit the pattern

anomaly

noun|/əˈnɑː.mə.li/

Something that deviates from what is standard, normal, or expected

Examples

In a meeting

The data shows an anomaly in March that we need to investigate further.

Over coffee

It's an anomaly for him to be late—he's usually very punctual.

Why this word

exception

anomaly emphasizes deviation from normal rules or patterns, exception is broader and less technical

oddity

oddity suggests strangeness, anomaly specifically means something deviating from what is standard or expected

abnormality

abnormality can imply defect, anomaly is neutral about irregularity from expected pattern

Usage tip

Use to point out exceptions or irregularities in patterns, data, or behavior

Etymology

Greek 'anomalia' from 'an-' (not) + 'homalos' (even)

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