sticker

• POS: Noun
• HYPHEN: stick=er

CIDE DICTIONARY

sticker, n. 

•  One who, or that which, sticks; as, a bill sticker.  [1913 Webster]
•  That which causes one to stick; that which puzzles or poses.  Tackeray.  [1913 Webster]
•  In the organ, a small wooden rod which connects (in part) a key and a pallet, so as to communicate motion by pushing.  [1913 Webster]
•  Same as Paster, 2.  [1913 Webster]

OXFORD DICTIONARY

sticker, n.
1 an adhesive label or notice etc.
2 a person or thing that sticks.
3 a persistent person.

THESAURUS

sticker

Chinese puzzle, adherent, adhesive, baffling problem, barnacle, billhead, book stamp, bookplate, brain twister, bramble, brand, brier, bristle, broad arrow, bulldog, burr, cachet, cactus, catchweed, cement, check, cleavers, colophon, counterfoil, countermark, crossword puzzle, crux, decal, decalcomania, docket, enigma, enigmatic question, floorer, glue, goose grass, government mark, government stamp, gunk, hallmark, imprint, jigsaw puzzle, knot, knotty point, label, leech, letterhead, limpet, logo, logotype, masthead, mind-boggler, molasses, mucilage, mystery, needle, nettle, nut to crack, paste, perplexed question, perplexity, pine needle, plaster, plate, poser, price tag, prickle, problem, puzzle, puzzlement, puzzler, question, question mark, quill, registered trademark, remora, running head, running title, seal, sigil, signet, sixty-four dollar question, spicule, spiculum, spike, spikelet, spine, stamp, stub, stumper, syrup, tag, tally, thistle, thorn, ticket, title page, token, tough proposition, trade name, trademark, trademark name, vexed question, why, yucca