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| sly [ slī ] (comparative sli·er, superlative sli·est) |
adjective |
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| Definition: |
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1. crafty: cleverly skillful and cunning
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2. evasive: lacking honesty or straightforwardness
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3. mischievous: full of playful mischief
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| [13th century. < Old Norse slœgr "clever, crafty"] |
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  sly·ly adverb |
| sly·ness noun |
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on the sly without the knowledge or permission of others
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