IPA: /ˌdiːˈrɛɡjʊˌleɪt/
KK: /dɪˈrɛɡjʊˌleɪt/
To remove rules or laws that control how something is done, especially by the government.
The government decided to deregulate the telecommunications sector to encourage competition.
Past: deregulated
Past Participle: deregulated
Deregulate → It is formed from "de-" (meaning down or away) and "regulare" (meaning to control or rule). The word describes the act of removing control or rules from a system.
Think of 'removing control' ('de-') from something that is 'ruled' ('regulare') — that's why deregulate means to take away regulations.