back swimmer backswimmer • backswing · · · Info · Definitions · Synonyms · Characters · · back swimmer · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) predaceous aquatic insect that swims on its back and may inflict painful bites. Synonyms: backswimmer, Notonecta undulata. · · Noun Definition 1 Synonyms · · · backswimmer · · Synonym 1 notonecta undulata · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 k latin small letter k U+006B m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 w latin small letter w U+0077