definitely or unambiguously; without qualification: The many reviews I’ve read of that book have been decidedly lukewarm.
in a way that is free from hesitation or wavering; resolutely: The heightened tension is occasioned by suicide bombers who have decidedly chosen death over life.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use decidedly in a sentence
That is decidedly not to say that politics and economics are irrelevant.
One green-eyed man, nicknamed “Cai the Roman,” became an instant celebrity due to his decidedly Roman physical characteristics.
But for Carter, this is a capstone to a career spent in the decidedly unsexy corridors of Pentagon power.Ashton Carter, the Wonk Who Would Lead the Pentagon | Shane Harris, Tim Mak | December 2, 2014 | THE DAILY BEAST
It can be bad enough to have your clothes described in the decidedly unsexy way as “plus-size.”
Outside the United States and Western Europe, however, the picture is decidedly mixed.It Gets Better—but Mostly if You Live in a Rich, Democratic Country | Jay Michaelson | November 11, 2014 | THE DAILY BEAST
Ned reached home about breakfast time, and "fetched up" at the back door, with a decidedly guilty countenance.The Book of Anecdotes and Budget of Fun; | Various
The party at Walls End Castle, though its elements were decidedly heterogeneous, was a success.The Pit Town Coronet, Volume I (of 3) | Charles James Wills
But there was something about the chilly expression in her eyes that made Delancy feel decidedly uncomfortable.
It was a little on one side and gave the good clergyman a decidedly rakish appearance.The Campfire Girls of Roselawn | Margaret Penrose
If you have a reason for declining to play, do so decidedly when first invited, and do not change your decision.The Ladies' Book of Etiquette, and Manual of Politeness | Florence Hartley