liveliness

From lively +‎ -ness.

• IPA^(key): /ˈlaɪvlinəs/

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• Hyphenation: live‧li‧ness

liveliness (countable and uncountable, plural livelinesses)

1. The quality of being lively; animation; energy.

   Antonyms: unliveliness; see also Thesaurus:devitalization

   • 1947 January and February, Cecil J. Allen, “British Locomotive Practice and Performance”, in Railway Magazine, page 39:

     The response to firing is remarkable, and though the 280 lb. pressure seems more in the nature of a reserve for emergencies than a continuous working figure, even with the present-day apology for coal it seldom fell below 250 lb., and could always be brought up to blowing-off point with little difficulty. To this liveliness of steaming the thermic syphons are doubtless the chief contributory.

• villeiness