| menacing(verb, adjective, person, force, strong) |
| ominous(adjective, person, mean, bad, wrong) |
| dark(adjective, upset, dull, evil, obscure) |
| dangerous(adjective, strong, hard, tough, severe) |
| minatory(adjective, near, critical, forbidding, foresight) |
| minacious(adjective, near, critical, forbidding, foresight) |
| impending(adjective, critical, likely, possible, dangerous) |
| sinister(adjective, person, mean, bad, wrong) |
| lowering(verb, adjective) |
| forbidding(adjective, person, tough, evil, dark) |
| foreboding(noun, verb, adjective, person, dark) |
| looming(verb, adjective, critical, likely, possible) |
| inauspicious(adjective, negative, hopelessness, menacing, unfavorable) |
| gloomy(adjective, hard, severe, obscure, dark) |
| intimidating(verb, adjective, frightening) |
| alarming(verb, adjective, bad, warning, danger) |
| frightening(noun, verb, adjective, person, strong) |
| serious(adjective, bad, severe, unpleasant, heavy) |
| baleful(adjective, critical, warning, forbidding, menacing) |
| ugly(adjective, person, tough, severe, nasty) |