contingency Synonyms

accident eventuality contingence casualty chance reserve scenario situation spare strait superaddition supervention relativity relativeness proviso odds opportunity pinch plausibility possibility potentiality predicament probability provision suppletive urgency D-Day fallback H-hour zero hour outside chance pressingness relativism workableness appointed hour demandingness conceivability toss-up chance event happenstance achievability possibleness critical mass jumping-off point crossroads even chance unforeseen circumstance occurrence accidentalness contingencies