The Collaborative International Dictionary of English v.0.48:
Scoff \Scoff\, v. i. [imp. & p. p. Scoffed (?; 115); p. pr. &
   vb. n. Scoffing.] [Cf. Dan. skuffe to deceive, delude,
   Icel. skopa to scoff, OD. schoppen. See Scoff, n.]
   To show insolent ridicule or mockery; to manifest contempt by
   derisive acts or language; -- often with at.
   [1913 Webster]
         Truth from his lips prevailed with double sway,
         And fools who came to scoff, remained to pray.
                                                  --Goldsmith.
   [1913 Webster]
         God's better gift they scoff at and refuse. --Cowper.
   [1913 Webster]
   Syn: To sneer; mock; gibe; jeer. See Sneer.
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