| trifling(adjective, weak, soft, reasonable, slight) |
| undemonstrative(adjective, quiet, gentle, aloof, reserved) |
| understated(adjective, simple, plain, subtle, uncomplicated) |
| unimposing(adjective, simple, honest, indifferent, humble) |
| withdrawn(adjective, quiet, gentle, cold, aloof) |
| abase |
| abstemious(reasonable, pure, restrained, chaste, self-controlled) |
| acquiescent(quiet, gentle, humble, subdued, submissive) |
| affable |
| apprehensive(adjective, quiet, simple, gentle, nervous) |
| austere(adjective, hard, simple, severe, clean) |
| balmy(adjective, reasonable, moderate, mild, agreeable) |
| base(adjective, mean, simple, lower, poor) |
| constrained(shy, meek, timid, unassuming, diffident) |
| cool(adjective, close, quiet, reasonable, moderate) |
| diminutive(adjective, small, smallness) |
| fair to middling(expression, adjective, idiom, good, reasonable) |
| faithful(pure, innocent, virtuous) |
| frigid(quiet, gentle, aloof, reserved, reticent) |
| guarded |