critical point Synonyms

juncture crossroads critical stage important point pivotal point decisive point Crunches watershed moment tipping point zero hour game changer key point crucial question damning point critical item irreversible momentum significant moment crucial time crucial juncture responsible moment pivotal moment critical time kairotic moment defining moment crunch time critical period climacteric head emergency doomsday culmination crux crunch crisis crises milestone pivot moment of truth high noon breaking point point of no return turning point critical mass watershed singularity rubicon climax