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Webster 1913 Edition

Noun.

Neglect of duty; idleness; indolence.

[Obs.]

Massinger.

unservice ‎(uncountable)

(obsolete) neglect of duty; idleness; indolence
- 1624, Massinger, Philip, “The Parliament of Love”, in Gifford, William, editor, The Plays of Philip Massinger, Act 1, Scene 5, published 1845, page 152:
  And where you tax us for unservice, lady / I never knew a soldier yet, that could / Arrive into your favour;