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Definition of anomaly
anomaly
/əˈnɑː.mə.li/
a · nom · a · ly
Adverb:anomalously
•Plural:anomalies
•Adjective:anomalous
anomaly Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Top 10k
Syllables
4
anomaly Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
Something that deviates from what is standard, normal, or expected.
Example
"The sudden drop in summer temperatures was treated by meteorologists as a rare statistical anomaly."
2
In astronomy, the angular distance of a planet or satellite from its last perihelion or perigee.
Example
"The astronomer calculated the true anomaly of the comet to predict its exact position along the elliptical orbit."
Synonyms
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Word Origin & Etymology
Borrowed in the late 16th century via Latin 'anomalia' from Ancient Greek 'anomalia' ('inequality' or 'irregularity'), derived from 'an-' ('not') and 'homalos' ('even').
Cite this Entry
Wordmom. (2026). Definition of Anomaly. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/anomaly