| dark(adjective, dull, cool, obscure, dark) |
| shadowy(adjective, dull, light, cool, obscure) |
| dim(adjective, dull, cool, obscure, dark) |
| questionable(adjective, honest, unusual, strange, corrupt) |
| dubious(adjective, unusual, strange, corrupt, uncertain) |
| shaded(adjective, dull, light, cool, dark) |
| dishonest(adjective, bad, wrong, fake, false) |
| dusky(adjective, dull, cool, dark, gloomy) |
| suspect(verb, adjective, honest, uncertain, doubtful) |
| suspicious(adjective, honest, unusual, strange, uncertain) |
| disreputable(adjective, bad, wrong, poor, low) |
| fishy(adjective, bad, wrong, fake, honest) |
| shifty(adjective, nasty, unpleasant, false, corrupt) |
| gloomy(adjective, dull, obscure, dark, dim) |
| murky(adjective, dull, dark, gloomy, dim) |
| doubtful(adjective, open, honest, unusual, strange) |
| obscure(adjective, dull, dark, gloomy, uncertain) |
| crooked(adjective, bad, wrong, false, corrupt) |
| cloudy(adjective, dull, cool, obscure, dark) |
| indistinct(adjective, dull, cool, obscure, dark) |