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.

   4 more examples

   "We progress," said he. "Decidedly we progress."

   1913, Arthur Conan Doyle, “(please specify the page)”, in The Poison Belt […], London; New York, N.Y.: Hodder and Stoughton, →OCLC

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

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

   The long-closed G.W.R. station alongside has a decidedly derelict-looking frontage, with eight gargoyles or figureheads still clinging to the portico.

   1952 February, R. A. H. Weight, “A Railway Recorder in Wessex”, in Railway Magazine, page 131

   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.

   2012 April 29, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992)”, in AV Club

2. In a decided or final manner; resolutely.

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

   1914, Saki, ‘The Lull’, Beasts and Superbeasts