IPA: /ræmˈpeɪdʒəsnəs/
KK: /ræmˈpeɪdʒəsnəs/
The quality or state of being wild, violent, or uncontrollable in behavior.
The rampageousness of the crowd was alarming during the protest.
Rampageousness → It is formed from "rampage" (from Middle French *rampage*, meaning a violent or wild outburst) and the suffix "-ous" (meaning full of) combined with "-ness" (meaning a state or quality). The word "rampageousness" refers to the state of being full of violent or wild behavior.
Think of a wild outburst ('rampage') and remember that 'rampageousness' describes the state of being full of such wildness.