From WordNet (r) 3.0 (2006):
sticky adj 1: having the sticky properties of an adhesive [syn: gluey, glutinous, gummy, mucilaginous, pasty, sticky, viscid, viscous] 2: moist as with undried perspiration and with clothing sticking to the body; "felt sticky and chilly at the same time" 3: hot or warm and humid; "muggy weather"; "the steamy tropics"; "sticky weather" [syn: muggy, steamy, sticky] 4: 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" [syn: awkward, embarrassing, sticky, unenviable] 5: covered with an adhesive material