Abolish/əˈbɑːlɪʃ/ Definition 1 of 1Pro Tip 1/3Serious Change Used when discussing significant changes, often social or political. Many activists are fighting to abolish child labor. Pro Tip 2/3Official Action Implies a formal decision by an authoritative body, like a government. The parliament voted to abolish the outdated regulations. Pro Tip 3/3Irreversible Once something is abolished, it's meant not to return or be reinstated. After the law was abolished, the practices it allowed were no longer legal.