putting an end to doubt; decisive; final approaching or involving an end or conclusion
WordReference Random House Learner's Dictionary of American English © 2025
con•clu•sive /kənˈklusɪv/USA pronunciation
adj.
con•clu•sive•ness, n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2025- serving to settle a question;
decisive: The conclusive evidence was his fingerprint on the gun.
con•clu•sive•ness, n. [uncountable]
con•clu•sive
(kən klo̅o̅′siv),USA pronunciation adj.
con•clu′sive•ly, adv.
con•clu′sive•ness, n.
- serving to settle or decide a question;
decisive;
convincing:conclusive evidence. - tending to terminate;
closing.
- Late Latin conclūsīvus, equivalent. to Latin conclūs(us) (past participle of conclūdere to conclude; see conclusion) + -īvus -ive
- 1580–90
con•clu′sive•ness, n.
- 1.See corresponding entry in Unabridged definitive, determining.
Collins Concise English Dictionary © HarperCollins Publishers::
'conclusive' also found in these entries (note: many are not synonyms or translations):
acid test
- adduce
- approbation
- attribute
- clincher
- conclusory
- decisive
- definitive
- demonstrative
- determinate
- determine
- extra time
- final
- finality
- inconclusive
- indecisive
- last
- net
- period
- showdown
- strong
- time
- ultimate
- unanswerable