Letters that make nod off
o, d, f, n are letters that make 'nod off'
1 possible definitions for 'nod off'
Under this definition, nod off is a verb and has the following properties:
fall asleep, dope off, flake out, drift off, drop off, doze off, drowse off have the same meaning as 'nod off'
wake up, awake, arouse, awaken, come alive, waken, wake have the opposite meaning of 'nod off'
zonk out is a type of nod off.