Finndian adjective 1noun 1forms 1 adjective1 •(US, Canada) Of mixed Finnish and Native American heritage.Being Indian isn't easy for a kid. Not being fully Indian is even worse. I wasn't Finnish, and I wasn't Indian. Half-breed. Finndian. — 2011 noun1 •(US, Canada) A person of mixed Finnish and Native American heritage. formsFinndians