Pure, Pureness, Purity - Vine's Expository Dictionary of New Testament Words
Pure, Pureness, Purity
[ A-1,Adjective,G53, hagnos ]pure from defilement, not contaminated" (from the same root as hagios, "holy"), is rendered "pure" in Philippians 4:8; 1 Timothy 5:22; James 3:17; 1 John 3:3; See CHASTE.
[ A-2,Adjective,G2513, katharos ]
"pure," as being cleansed, e.g., Matthew 5:8; 1 Timothy 1:5; 1 Timothy 3:9; 2 Timothy 1:3; 2 Timothy 2:22; Titus 1:15; Hebrews 10:22; James 1:27; 1 Peter 1:22; Revelation 15:6; Revelation 21:18; Revelation 22:1 (in some mss.). See CHASTE, Note, CLEAN, A.
Note: In 1 Peter 1:22 the AV, "with a pure heart," follows those mss. which have this adjective (RV, "from the heart").
[ A-3,Adjective,G1506, elikrines ]
signifies "unalloyed, pure;"
(a) it was used of unmixed substances;
(b) in the NT it is used of moral and ethical "purity," Philippians 1:10, "sincere;" so the RV in 2 Peter 3:1 (AV, "pure"). Some regard the etymological meaning as "tested by the sunlight" (Cremer). See CHASTE, Note, SINCERE.
Note: Wine mixed with water may be hagnos, "not being contaminated;" it is not katharos, when there is the admixture of any element even though the latter is "pure" in itself.
[ B-1,Noun,G54, hagnotes ]
the state of being hagnos (A, No. 1), occurs in 2 Corinthians 6:6, "pureness;" 2 Corinthians 11:3, in the best mss., "(and the) purity," RV.
[ B-2,Noun,G47, hagneia ]
synonymous with No. 1, "purity," occurs in 1 Timothy 4:12; 1 Timothy 5:2, where it denotes the chastity which excludes all impurity of spirit, manner, or act.