| knife | (noun) edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle | - |
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| (noun) a weapon with a handle and blade with a sharp point | - |
| (noun) any long thin projection that is transient | Synonyms: tongue |
| (verb) use a knife on | Synonyms: stab |
| knifelike | (adjective) having a sharp or distinct edge | - |
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| (adjective) having or demonstrating ability to recognize or draw fine distinctions | Synonyms: acute, discriminating, incisive, keen, penetrating, penetrative, piercing, sharp |
| (adjective) cutting or able to cut as if with a knife | - |
| (adjective) painful as if caused by a sharp instrument | Synonyms: cutting, keen, lancinate, lancinating, piercing, stabbing |