| menacing(adjective, critical, forbidding, threat, denunciatory) |
| minacious(adjective, near, critical, threatening, forbidding) |
| threatening(adjective, near, critical, forbidding, foresight) |
| ominous(adjective, foreboding, menacing, threat) |
| sinister(adjective, threatening) |
| baleful(adjective, critical, threatening, forbidding, denunciatory) |
| comminatory(adjective, critical, threatening, forbidding, threat) |
| forbidding |
| imminent(adjective, critical, threatening, forbidding, denunciatory) |
| dangerous(adjective, critical, threatening, forbidding, denunciatory) |
| inauspicious(adjective, threatening) |
| lowering(adjective, threatening) |
| ugly(adjective, informal, critical, threatening, forbidding) |
| impending(adjective, critical, threatening, forbidding, denunciatory) |
| looming(adjective, critical, threatening, forbidding, denunciatory) |
| abusive |
| alarming(adjective, threatening) |
| baneful(adjective, threatening) |
| foreboding |
| intimidating |