Vanity - Vine's Expository Dictionary of New Testament Words
Vanity
[ 1,,G3153, mataiotes ]emptiness as to results," akin to mataios (See EMPTY, VAIN), is used
(a) of the creation, Romans 8:20, as failing of the results designed, owing to sin;
(b) of the mind which governs the manner of life of the Gentiles, Ephesians 4:17;
(c) of the "great swelling words" of false teachers, 2 Peter 2:18.
Note: For mataios, in the neut. plur. in Acts 14:15, "vanities," See VAIN, A, No. 2
(a).