Other seized evidence included vehicles, computers, mobile phones and digital cameras, all of which provided conclusiveproof linking the four offenders to the campaign.
Times, Sunday Times (2006)
I do have conclusiveproof that the item is mine.
The Sun (2016)
You want conclusiveproof that this study is hokum?
The Sun (2012)
Definition of 'proof'
proof
(pruːf)Explore 'proof' in the dictionary
variable noun [NOUN that]
Proof is a fact, argument, or piece of evidence which shows that something is definitely true or definitely exists.
Definition of 'conclusive'
conclusive
(kənkluːsɪv)Explore 'conclusive' in the dictionary
adjective
Conclusive evidence shows that something is certainly true.