natural disaster

noun 0.593

unforeseen

noun 0.563

force

noun 0.560

force play

noun 0.537

catastrophe

noun 0.535

emergency

noun 0.534

state of emergency

noun 0.529

fortuity

noun 0.529

duress

noun 0.529

perfect storm

noun 0.529

unavoidable

noun 0.526

forces

noun 0.523

unavoidability

noun 0.517

misfortune

noun 0.516

force field

noun 0.507

vis major

noun 0.505

exigency

noun 0.504