Definition of Abaddon in English:

Abaddon

proper noun

  • A name for the Devil (Rev. 9:11) or for hell.

    the netherworld, the abode of the dead, the land of the dead, the infernal regions, the inferno, the nether regions, the abyss
    View synonyms

Origin

Late Middle English: via Greek from Hebrew 'ăḇaddōn destruction. Its use for ‘hell’ arose in the late 17th century.

Pronunciation:

Abaddon

/əˈbad(ə)n/