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Webster 1828 Edition

adv.

Incessantly. Obs.

uncessantly ‎(comparative more uncessantly, superlative most uncessantly)

(obsolete) Incessantly. [15th-17th c.]
- 1603, John Florio, translating Michel de Montaigne, Essayes, London: Edward Blount, OCLC 946730821, I.40:
  how many suspitions, and thornie imaginations, and which is worse, incommuicable, did uncessantly haunt me?