Definition
a departure from what is normal or expected
In a sentence
“His angry outburst was an aberration; he is usually calm.”
Similar words
- anomaly
- deviation
Related vocabulary
Why this word matters: aberration appears in academic reading at the 8th-grade level and is exactly the type of word that shows up on the CPS HSAT Reading section. Practice it in context with our spaced-repetition system at vocabulary.