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Webster 1913 Edition

Noun.

Demur; delay in acting or deciding.

The same causes of

demurral

existed which prevented British troops from assisting in the expulsion of the French from Rome.

Southey.

demurral ‎(plural demurrals)

The act of demurring.
- 2004, Alan Hollinghurst, The Line of Beauty, Bloomsbury, 2005, Chapter 17 (i),
  Her steady tone, her emphasizing twitches, were new to Nick; they seemed to signal a change in their relations that wouldn't easily be reversed. He was used to her easy assents, her oddly contented demurrals . . .
(law) A formal objection.