Adjective sticky has 4 senses
  1. gluey, glutinous, gummy, mucilaginous, pasty, sticky, viscid, viscous - having the properties of glue
    Antonym: nonadhesive (indirect, via adhesive)
  2. sticky - moist as with undried perspiration and with clothing sticking to the body; "felt sticky and chilly at the same time"
    dry (indirect, via wet)
  3. muggy, steamy, sticky - hot or warm and humid; "muggy weather"; "the steamy tropics"; "sticky weather"
    Antonym: dry (indirect, via wet)
  4. awkward, embarrassing, sticky, unenviable - 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"
    Antonym: easy (indirect, via difficult)