What is another word for yellow dog contract?
Pronunciation: [jˈɛlə͡ʊ dˈɒɡ kˈɒntɹakt] (IPA) 
A "yellow dog contract" is a term used to describe a type of employment contract that requires employees to sign an agreement prohibiting them from joining or supporting a union. There are a variety of words and phrases that can be used as synonyms for this type of contract, including "anti-union agreement," "no-union agreement," "anti-labor contract," and "ironclad contract." Other similar terms include "closed shop contract" and "union shop agreement," which refer to contracts that require employees to become members of a union in order to work for a particular employer. Regardless of the terminology used, such contracts are often controversial and sometimes illegal, as they can restrict workers' rights to form and join unions.
