say it: luh-VAHY-uh-thuhn
leviathan is a noun meaning "the largest or most massive thing of its kind". It carries 2 recorded senses.
the largest or most massive thing of its kind
“it was a leviathan among redwoods”
“they were assigned the leviathan of textbooks”
monstrous sea creature symbolizing evil in the Old Testament
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for leviathan come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.