GNU Collaborative International Dictionary of English

Found one definition

1.       
   Saucy (?), a. [Compar. Saucier (?); superl. Sauciest.] [From Sauce.]
   1. Showing impertinent boldness or pertness; transgressing the rules of decorum; treating superiors with contempt; impudent; insolent; as, “a saucy fellow”.
   
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   Am I not protector, saucy priest? Shak.
   
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   2. Expressive of, or characterized by, impudence; impertinent; as, “a saucy eye; saucy looks”.
   
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   We then have done you bold and saucy wrongs. Shak.
   
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   Syn. -- Impudent; insolent; impertinent; rude.
   
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