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