Wikipedian /wɪ.kɪˈpiː.dɪ.ən/adjective 1noun 1forms 1 adjective1 •Of or relating to Wikipedia.Many scholars of Wikipedian theology theorize that if consensus is ever reached, Wikipedia will spontaneously disappear. — 2006 noun1 •A person who contributes to Wikipedia, especially a regular contributor well versed in the ways of the website.He is proud to be a Wikipedian. formsWikipedians