Aberration

hard

ab-uh-RAY-shun

noun

Definition

A departure from what is normal, usual, or expected

Examples

The data point was an aberration and should be excluded.
His violent outburst was an aberration from his usual calm behavior.

Synonyms

anomalydeviationirregularityabnormality

Antonyms

normregularityconformitystandard

Categories

GRE Tip

Aberration is a hard-difficulty GRE word. On the GRE, you might see it paired with synonyms like "anomaly" or "deviation" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "norm".

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