decidedly

From decided +‎ -ly.

• (UK) IPA^(key): /dɪˈsaɪdɪdli/

• Audio (US)

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decidedly (comparative more decidedly, superlative most decidedly)

1. In a manner which leaves little question; definitely, clearly.

   In a decidedly petulant manner she sat with crossed arms and a frown.

   • 1934, Agatha Christie, chapter 7, in Murder on the Orient Express, London: HarperCollins, published 2017, page 121:

     'I understand it was the big American man with a decidedly unpleasant face.'

   • 2012 April 29, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992)”, in (Please provide the book title or journal name)‎:

     In time The Simpsons would, indeed, resort to spoofing such decidedly non-spooktacular fare like E.T and Mr. And Mrs. Smith (both in “Treehouse Of Horror XVIII”) but in 1992 the field was wide-open and the show could cherry-pick the most iconic and beloved fright fare of all time.

2. In a decided or final manner; resolutely.
   • 1914, Saki, ‘The Lull’, Beasts and Superbeasts:

     ‘We can't,’ said Vera decidedly, ‘we haven't any boats and we're cut off by a raging torrent from any human habitation.’