RCTA adjective 1noun 3forms 1 adjective1 •(Internet) Transracial; having changed one's race. noun[before a noun]3 •(Internet) A person who has made such a change: a transracial person.RCTAs seek to change their race. I'm telling my mom I'm an RCTA. •Initialism of rear cross traffic alert. •(Internet) Initialism of race change to another: the act of transitioning into a different race from the one one was born into.what in the actual goofy ahh is this rcta bs.... — 2022 formsRCTAs