Lascivious, Lasciviousness - Vine's Expository Dictionary of New Testament Words
Lascivious, Lasciviousness[ 1,,G766, aselgeia ]
denotes excess, licentiousness, absence of restraint, indecency, wantonness;" "lasciviousness" in Mark 7:22, one of the evils that proceed from the heart; in 2 Corinthians 12:21, one of the evils of which some in the church at Corinth had been guilty; in Galatians 5:19, classed among the works of the flesh; in Ephesians 4:19, among the sins of the unregenerate who are "past feeling;" so in 1 Peter 4:3; in Jude 1:4, of that into which the grace of God had been turned by ungodly men; it is translated "wantonness" in Romans 13:13, one of the sins against which believers are warned; in 2 Peter 2:2, according to the best mss., "lascivious (doings)," RV (the AV "pernicious ways" follows those texts which have apoleiais); in 2 Peter 2:7, RV, "lascivious (life)," AV "filthy (conversation)," of the people of Sodom and Gomorrah; in 2 Peter 2:18, RV, "lasciviousness" (AV, "wantonness"), practiced by the same persons as mentioned in Jude. The prominent idea is shameless conduct. Some have derived the word from a, negative, and selge, "a city in Pisidia." Others, with similar improbability, trace it to a, negative, and selgo, or thelgo, "to charm." See WANTONNESS.