| injured(adjective, hurt, down, broken, flawed) |
| inoperative(adjective, dull, down, idle, sluggish) |
| invalid(adjective, sick, shaky, unhealthy, unfit) |
| jobless(adjective, dull, idle, sluggish, lazy) |
| kaput(adjective, hurt, down, broken, bust) |
| lackluster(adjective, mean, weak, thin, ill) |
| laid-low(adjective, mean, weak, thin, ill) |
| laid low(expression, adjective, weak, delicate, sick) |
| languid(adjective, mean, weak, thin, ill) |
| latent(adjective, dull, idle, sluggish, lazy) |
| lax(adjective, dull, weak, idle, sluggish) |
| lazy(adjective, dull, idle, sluggish, passive) |
| lethargic(adjective, dull, sluggish, lazy, passive) |
| limp(adjective, dull, weak, idle, sluggish) |
| low(adjective, mean, weak, thin, ill) |
| low-key(adjective, dull, idle, sluggish, lazy) |
| low key |
| mean(adjective, weak, thin, ill, feeble) |
| mothballed(adjective, dull, idle, sluggish, lazy) |
| motionless(adjective, dull, idle, sluggish, lazy) |