In an irrefutable manner; beyond the possibility of refutation.(adverb)
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Use "irrefutably" in a sentence
"Some people have seen Eno's decision to sign with an actual record label the irrefutably"
"The Council did seek the advice of City Attorney Karl Newton, who stated that he interpreted Kellar's comments to be "irrefutably" his own personal views."
"The third step to ensuring a healthy and habitable planet for our grandchildren is to address rising greenhouse gases, which are irrefutably fueling global warming."