Home › Words › S › seakindlinessseakindlinessseakindliness means the quality or degree of being seakindly.Among words judged in Lexicurio's Arena, seakindliness ranks #719 of 42,747 for Qualifying.EtymologyFrom seakindly + -ness.nounThe quality or degree of being seakindly.Definitions & examples from Wiktionary (CC BY-SA 3.0).