a part of the economy unregulated by the authorities: "He doesn't pay any taxes and thinks that the black economy will make him rich." (He's working on the black.)
An economy idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with economy, allowing users to choose the best word for their specific context.
Dictionary of similar words, Different wording, Synonyms, Idioms for Idiom, Proverb economy