Home › Words › S › synplanaritysynplanaritysynplanarity means the quality of being synplanar.Among words judged in Lexicurio's Arena, synplanarity ranks #15,906 of 42,762 for Qualifying.EtymologyFrom synplanar + -ity.nounThe quality of being synplanar.Definitions & examples from Wiktionary (CC BY-SA 3.0).