earthshattering (adjective) life-and-death: extremely important
Sinonime: bifurcate, break it off, break off, break up, dedomicile, depart,
discontinue, disunify, disunite,
diverge, divorce,
drop, estrange, go away, go different ways, go separate ways,
leave,
part, pull out, relationship or marriage alienate, split up, take leave, uncouple, unlink, untie the knot
Antonime: marry