de·fin·i·tive 
/dɪˈfɪnətɪv/ adjective
/dɪˈfɪnətɪv/ adjective [more definitive; most definitive] 1 : not able to be argued about or changed : final and settled
▪ We need a definitive answer to this question. ▪ The court has issued a definitive ruling. 2 : complete, accurate, and considered to be the best of its kind
▪ a definitive biography ▪ a definitive collection of the band's albums
▪ We need a definitive answer to this question. ▪ The court has issued a definitive ruling.
▪ a definitive biography ▪ a definitive collection of the band's albums
— de·fin·i·tive·ly adverb
▪ a virus definitively linked to some stomach diseases
▪ a virus definitively linked to some stomach diseases
