uncommercial adjective 1noun 1forms 1 adjective1 •Not commercial; often specifically not commercially viable.But Columbia Records executives deemed the idea uncommercial […] and instead proposed an album of lullabies. — 2007 noun1 •A spoof advertisement created for countercultural purposes.This uncommercial was turned down by CBC on the grounds that it violated standards of taste […] — 2001 formsuncommercials