| moony(adjective, quiet, flat, indifferent, apathetic) |
| motionless(adjective, quiet, flat, indifferent, apathetic) |
| nervous(adjective, modest, humble, shy, hesitant) |
| nonassertive |
| nondissenting |
| nongregarious(adjective, reticent, unassuming, undemonstrative, self-effacing) |
| nonopposing |
| nonresistive |
| nonviolent(adjective, quiet, flat, indifferent, apathetic) |
| not forward(expression, adjective, reticent, unassuming, undemonstrative) |
| obscure(adjective, soft, shy, meek, frugal) |
| peaceable(adjective, calm, quiet, gentle, subdued) |
| philosophical(adjective, calm, quiet, gentle, passive) |
| phlegmatic(adjective, quiet, indifferent, apathetic, lifeless) |
| pliable |
| poker-faced(adjective, quiet, flat, indifferent, apathetic) |
| proper(adjective, quiet, modest, affected, meek) |
| prudent(adjective, quiet, simple, modest, meek) |
| pudent(adjective, soft, shy, meek, frugal) |
| quiescent(adjective, quiet, gentle, flat, indifferent) |