unobstreperous

Monsieur le Directeur is growing a flower for his daughter -- he has, in fact, an unobstreperous affinity for excrement; he lives in it; he is shaggy and spotted and blotched with it; he sleeps in it; he puts it in his pipe and says it is delicious ....

The Enormous Room 1928

He was naturally sensitive, extremely the antithesis of coarse (which "refined" somehow does not imply) had not in the least suffered from a "good," as we say, education, and possessed an at once frank and unobstreperous personality.

The Enormous Room 1928