Adverb

(en adverb)

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

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

* {{quote-news

, year=2012 , date=April 29 , author=Nathan Rabin , title=TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992) citation , page= , passage=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.}}

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.’

Adverb

(en adverb)

In a distinct manner.

*{{quote-book, year=1928, author=Lawrence R. Bourne

, title=Well Tackled! , chapter=17 citation , passage=Commander Birch was a trifle uneasy when he found there was more than a popple on the sea; it was, in fact, distinctly choppy.}}

* 2007 , Stephen R. Donaldson, Fatal Revenant , ISBN 978-0-399-15446-1, p. 192,

"Aloud," he said distinctly, "the Seven Words are spoken thus. Melenkurion abatha. Duroc minas mill. Harad khabaal. "