ə na mə li
1. an act or instance of differing from the usual pattern, form, or type; peculiarity; abnormality.
The fact that our family did not own a car was an anomaly in the context of the neighborhood we lived in.
2. something that differs in this way.
“We still think of a powerful man as a born leader and a powerful woman as an anomaly.” (Margaret Atwood)
“…I am an anomaly in the system, living proof of how grotesque it is, and every day I mock it gently, deep within my impenetrable self.” (Muriel Barbery, The Elegance of the Hedgehog)