ˈfull-blown BrE AmE adjective [only before noun]
[ Date: 1600-1700 ; Origin: ⇨ ↑ full 1 + blown , past participle of blow 'to produce flowers' , from Old English blowan ]
having all the qualities of something that is at its most complete or advanced stage:
The drop in shares could develop into a full-blown crisis.
full-blown AIDS