sword of Damocles

Synonyms and related words:

bulldozing, chanciness, commination, criticalness, delicacy, denunciation, doubtfulness, dubiousness, empty threat, foreboding, hazardousness, idle threat, imminence, implied threat, insecurity, instability, intimidation, menace, perilousness, precariousness, promise of harm, riskiness, shakiness, slipperiness, threat, threateningness, threatfulness, ticklish business, ticklishness, totteriness, touchiness, uncertainty, undependability, unhealthiness, unpredictability, unreliability, unsafeness, unsoundness, unsteadiness, unsureness, untrustworthiness, warning