lightlinessEtymologyPossibly from Middle English lightlines, lightlinesse, from Middle English lyghtly, liȝtliche, lihtliche + -nes, -nesse. Equivalent to lightly + -ness (suffix forming nouns).lightliness means the quality or condition of one who acts lightly; ease; facility. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounThe quality or condition of one who acts lightly; ease; facility.