sans gêne adjective 1noun 1 adjective1 •Without constraint, unembarrassed. noun1 •Lack of constraint; brazenness; unreservedness (unabashed behavior, disregard for societal constraints)The rogue, like the artist and perhaps the gentleman, belongs to no class. He is not embarrassed by the sans gene of the hobo, nor put out of countenance by the etiquette of the prince. — 1919