Synonyms and related words :
accident, breakers ahead, cardhouse, cause for alarm, chance, compromise, crisis, danger, dangerous ground, emergency, endangerment, exposure, gaping chasm, gathering clouds, hap, hazard, house of cards, imperil, imperilment, jeopard, jeopardize, liability, menace, openness, pass, peril, pinch, plight, predicament, quicksand, risk, rocks ahead, sensitiveness, storm clouds, strait, susceptibility, thin ice, threat, uncertainty, vulnerability