Quick definitions from WordNet (sticky)
▸ adjective: moist as with undried perspiration and with clothing sticking to the body ("Felt sticky and chilly at the same time")
▸ adjective: hot or warm and humid ("Sticky weather")
▸ adjective: hard to deal with; especially causing pain or embarrassment ("A sticky question")
▸ adjective: having the properties of glue
▸ Also see sticky
▸ adjective: moist as with undried perspiration and with clothing sticking to the body ("Felt sticky and chilly at the same time")
▸ adjective: hot or warm and humid ("Sticky weather")
▸ adjective: hard to deal with; especially causing pain or embarrassment ("A sticky question")
▸ adjective: having the properties of glue
▸ Also see sticky