overmastering overmasterfulness • overmasteringly · · · Info · Definitions · Synonyms · Characters · · overmastering · · Text Latin · · Script 13 · · Length Definitions · · · (verb) overcome by superior force. Synonyms: overpower, overmaster, overwhelm. · · Verb Definition 1 Synonyms · · · overpower · · Synonym 1 overmaster · · Synonym 2 overwhelm · · Synonym 3 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076