From Middle English lewednesse, equivalent to lewd + -ness.
lewdness (countable and uncountable, plural lewdnesses)
- The quality, state or instance of being lewd; promiscuous.
1816 , James Boswell, quoting Samuel Johnson, The life of Samuel Johnson […] , volume 3, T. Cadell and W. Davies, pages 210-211:
Sir, Lord Hailes has forgot. There is nothing in Pryor that will excite to lewdness.