stunt1
  
  v.
 
[
often as adj. stunted]
 retard the growth or development of. 
 
  Derivative
  
  Etymology
  C16 (in the sense ‘bring to an abrupt halt’): from dial. stunt ‘foolish, stubborn’, of Gmc origin; perh. rel. to stump.
 
  
    
stunt2
  
  n.
 an action displaying spectacular skill and daring. 
▸something unusual done to attract attention.
v.
 perform stunts, especially aerobatics.
 
  Etymology
  C19 (orig. US college sl.): of unknown origin.