sticky (Adjective) — Able or tending to stick; having the properties of an adhesive.
sticky (Adjective) — Covered with an adhesive material.
sticky (Adjective) — Moist as with undried perspiration and with clothing sticking to the body. ex. "felt sticky and chilly at the same time"
sticky (Adjective) — Hot or warm and humid. ex. "sticky weather"
sticky (Adjective) — Hard to deal with; especially causing pain or embarrassment. ex. "sticky moments in the discussion" ex. "a sticky question"
sticky (Noun) — A sticky note, such as a Post-It. ex. "Her desk is covered with yellow stickies"