| cool(adjective, quiet, smooth, mild, indifferent) |
| dawdle(inactivity, slowness, lateness) |
| deceased(adjective, lifeless, nonexistent, vanished, nonliving) |
| discharged(superannuated, emeritus) |
| disengaged(adjective, action, indifferent, idle, detached) |
| do nothing(expression, idiom, inactivity, inaction) |
| dopey(adjective, dull, quiet, weak, easy) |
| down(adjective, action, dull, low, slow) |
| drowsy(adjective, dull, quiet, easy, slow) |
| foul(quiet, still, stationary) |
| gradual(dull, late, slowness, behind) |
| impassive(adjective, dull, quiet, cool, weak) |
| in abeyance(expression, idiom, calm, gentle, still) |
| inattentive(adjective, dull, neglect, careless, indifferent) |
| insouciant(adjective, neglect, lethargic, languid, indolent) |
| laggard(adjective, dull, quiet, easy, careless) |
| laid-back(adjective, dull, quiet, cool, weak) |
| nonoperational |
| ossified(adjective, action, lazy, inert, motionless) |
| relaxing(adjective, leisurely, soothing, soporific) |