elephantine adj. + Add to list US //ˌɛɫəˈfænˌtin// UK //ˈɛlɪfˌɑːntiːn// ele·phan·tine SynonymsEtymology Synonyms gargantuangiantjumboOriginLATelephantīnus→ENelephantine From Latin elephantīn(us). By surface analysis, elephant + -ine.