Definition of rampageous in English:

rampageous

adjective

  • Boisterously or violently uncontrollable.

    ‘a rampageous backwoodsman’
    figurative ‘tall and rampageous weeds’
    • ‘There's something about a rampageous woman flashing men that resonates with power.’

Origin

Early 19th century from rampage + -ous.

Pronunciation

rampageous

/ramˈpeɪdʒəs/