1. A huge aquatic animal, described in the Book of Job; anything huge or monstrous.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• levithan,
• leviation,
• leviathons,
• leviathon,
• laviathon,
• keviathan,
• peviathan,
• oeviathan,
• lwviathan,
• lsviathan,
• ldviathan,
• lrviathan,
• l4viathan,
• l3viathan,
• leviatan,
• leviathane,
• Levvatian,
• leviathanne,
• liviatan,
• liviathan

• levitan,
• lefthander.

The adjective form of the word "leviathan" is "leviathanic".

The plural of the "leviathan" can be the "leviathans".

The singular of the "leviathan" can be the "leviathan".