intransitive verb
1. : to turn out : result , occur , happen
as it fell out, the building was deserted at the time of the explosion
all fell out very well indeed
this strangeness of life, this unexpected and even perverse element of things as they fall out — G.K.Chesterton
2. : to have a quarrel : disagree
3.
a. : to leave one's place in the ranks
b. : to leave a building to meet a formation
you will fall out of the barracks in 10 minutes for retreat