transhumanist adjective 1noun 1forms 3 adjective1 •Relating to transhumanism.It wasn't like what you see in the now-popular clichés of tech culture and Silicon Valley. It was not a transhumanist cult. — 2020 noun1 •An advocate of transhumanism.[Eliezer] Yudkowsky was a transhumanist: human brains were going to be uploaded into digital brains during his lifetime, and this was great news. — 2024 formstranshumanists · more transhumanist · most transhumanist