Rasta /ˈɹæs.tə/adjective 1noun 1forms 1 adjective1 •Rastafarian.“You know my boyfriend has divine dreads. He’s Rasta. And he speaks fluent Jamaican patois,” she ended proudly. — 2005 noun1 •A Rastafarian.Yet in adopting this oppositional belief system and alternative lifestyle, the Rastas faced severe social ostracism. — 2000 formsRastas