Any communication of falsehood or untruth for the purpose of deception.

Ye shall not steal, neither deal falsely, neither lie, Lev. 19: 11. I hate and abhor lying, Ps. 119: 163. Lying lips are abomination to the Lord, Prov. 12: 22. They are my people that will not lie, Isa. 63: 8. The devil is a liar and the father of lies, John 8: 44 (2 Ne. 2: 18; Ether 8: 25; Moses 4: 4). Thou hast not lied unto men, but unto God, Acts 5: 4 (Alma 12: 3). If a man say, I love God, and hateth his brother, he is a liar, 1 Jn. 4: 20. All liars have part in the second death, Rev. 21: 8 (D&C 63: 17). Wo unto the liar, for he shall be thrust down to hell, 2 Ne. 9: 34. Many will teach false doctrine, saying: lie a little and there is no harm in it, 2 Ne. 28: 8-9 (D&C 10: 25). Do ye imagine you can lie unto the Lord? Alma 5: 17. Thou art a God of truth and canst not lie, Ether 3: 12 (Num. 23: 19; 1 Sam. 15: 29; Titus 1: 2; Heb. 6: 18; Enos 1: 6). He that lieth and will not repent shall be cast out, D&C 42: 21. Liars inherit telestial glory, D&C 76: 81, 103-106. We believe in being honest, A of F 1: 13.