| insensitive(adjective, dull, detached, unfeeling, impassive) |
| insouciant(adjective, indifferent, lethargic, languid, indolent) |
| long-suffering(adjective, quiet, gentle, modest, humble) |
| manageable(adjective, calm, quiet, gentle, modest) |
| tolerant(adjective, calm, quiet, gentle, modest) |
| unassertive(adjective, calm, quiet, gentle, meek) |
| uninvolved(adjective, calm, dull, flat, lifeless) |
| vegetative(adjective, inert, unassertive, fertile, loamy) |
| abeyant(dull, sluggish, lazy, hidden, inert) |
| affected |
| catatonic(adjective, inert) |
| cold(adjective, calm, dull, cool, flat) |
| conformable(adjective, shy, meek, docile, obedient) |
| deferential(adjective, calm, quiet, gentle, modest) |
| easygoing(adjective, quiet, indifferent, lethargic, languid) |
| emotionless(adjective, calm, dull, flat, indifferent) |
| enduring(adjective, quiet, gentle, tolerant, lifeless) |
| frigid(adjective, calm, dull, cool, flat) |
| half-hearted(adjective, indifferent, unenthusiastic) |
| heartless(adjective, insensitive) |