diverge in WordNet English dictionary

1. be at variance with; be out of line with
   deviate  vary  diverge  depart 
   
2. move or draw apart
   "The two paths diverge here"
   diverge 
   
3. extend in a different direction
   "The lines start to diverge here"; "Their interests diverged"
   diverge 
   
4. have no limits as a mathematical series
   diverge