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definitively

American  
[dih-fin-i-tiv-lee] / dɪˈfɪn ɪ tɪv li /

adverb

  1. in a way that is definite, complete, final, or absolute.

    There is no forensic evidence to definitively identify the attacker.

    The court's ruling is seen as a missed opportunity to resolve the issue definitively.


Other Word Forms

Derived Forms

Etymology

Origin of definitively

definitive ( def. ) + -ly

Vocabulary lists containing definitively

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Definitively linking longer fire seasons to anthropogenic climate change, as this paper does, is “a study I’ve been hoping someone would do for a long time,” he said.

From Los Angeles Times • Aug. 7, 2025

Definitively proving insects mentally feel pain probably isn’t possible, agrees Jennifer Mather, a zoologist and cephalopod expert at the University of Lethbridge whose studies helped prove those animals are sentient.

From Science Magazine • Jul. 25, 2022

Definitively determining who was behind the sites is difficult because Psy-Group and other organizations involved in anti-B.D.S. work used avatars and other tactics to disguise their involvement.

From The New Yorker • Feb. 28, 2019

Definitively measuring the risks of shocking a pregnant woman is impossible: There has never been a controlled study of the Taser’s effects on pregnant women.

From Reuters • Feb. 7, 2018

My dear Sir, Definitively I have written a little Paper upon Omar with some Quotations taken here and there at random, avoiding only the too badly sounding rubayát. 

From Letters of Edward FitzGerald in two volumes, Vol. 1 by Wright, William Aldis

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