sticker meaning and definition

STICKER noun

Definition of sticker (noun)

1. a small sharp-pointed tip resembling a spike on a stem or leaf
   • synonyms: pricker, prickle, spikelet, spine, thorn
2. an adhesive label
   • synonyms: gummed label, paster
3. a particularly difficult or baffling question or problem
   • synonyms: poser, stumper, toughie
4. a short knife with a pointed blade used for piercing or stabbing
   • synonyms: dagger