1 noun alarming situationshe was teetering on the edge of the abyssbhí sí ar bhruach na haibhéisewe were slipping into the abyss of warbhíomar ag sleamhnú i dtreo dhuibheagán an chogaidh2 noun literary deep chasmaibhéis fem2 c m uduibheagán masc1 c m u3 noun profound differenceolldifríocht fem3difear an domhainthere was a great abyss of class between thembhí difríocht an domhain eatarthu ó thaobh aicme4 noun literary pit of hellaibhéis fem2 c m uduibheagán masc1 c m uthe abyss of hellduibheagán ifrinn