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Webster 1913 Edition

Verb.

[Freq. of

sip

To sip often.

[Obs. or Scot.]

sipple ‎(third-person singular simple present sipples, present participle sippling, simple past and past participle sippled)

(archaic, transitive) To take frequent sips; tipple.
- 2014, Christian Vago, The Rotted Garden: Volume One:
  There settled a brief moment of silence while Mademoiselle and the Baroness sippled their exotic beverage and Keresztváry sucked down another petit four while staring into space, having apparently finished more than one cup of tea.