definitive
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Learner's definition of DEFINITIVE
[more definitive; most definitive]
1
:
not able to be argued about or changed
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final and settled
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We need a definitive answer to this question.
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The court has issued a definitive ruling.
2
:
complete, accurate, and considered to be the best of its kind
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a definitive biography
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a definitive collection of the band's albums
— definitively
adverb-
a virus definitively linked to some stomach diseases
