supplanter supplantation • supplantment · · · Info · Definitions · Synonyms · Characters · · supplanter · · Text Latin · · Script 10 · · Length Definitions · · · (noun) one who wrongfully or illegally seizes and holds the place of another. Synonyms: usurper. · · Noun Definition 1 Synonyms · · · usurper · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075