sticky in WordNet English dictionary

1. hard to deal with; especially causing pain or embarrassment
   "awkward (or embarrassing or difficult) moments in the discussion"; "an awkward pause followed his remark"; "a sticky question"; "in the unenviable position of resorting to an act he had planned to save for the climax of the campaign"
   awkward  embarrassing  sticky  unenviable 
   
2. having the sticky properties of an adhesive
   gluey  glutinous  gummy  mucilaginous  pasty  sticky  viscid  viscous 
   
3. hot or warm and humid
   "muggy weather"; "the steamy tropics"; "sticky weather"
   muggy  steamy  sticky 
   
4. covered with an adhesive material
   sticky 
   
5. moist as with undried perspiration and with clothing sticking to the body
   "felt sticky and chilly at the same time"
   sticky