"guileless, pure," is translated "sincere" in 1 Peter 2:2 , AV, "without guile," RV. See GUILELESS , No. 1.
"true, genuine, sincere," is used in the neuter, as a noun, with the article, signifying "sincerity," 2 Corinthians 8:8 (of love). See OWN , TRUE.
see PURE , A, No. 3.
denotes "with pure motives," akin to words under PURE, A, No. 1, and B, Nos. 1 and 2, and is rendered "sincerely" in Philippians 1:17 , RV (ver. 16, AV).
akin to A, No. 3 denotes "sincerity, purity;" it is described metaphorically in 1 Corinthians 5:8 as "unleavened (bread);" in 2 Corinthians 1:12 , "sincerity (of God)," RV, AV, "(godly) sincerity," it describes a quality possessed by God, as that which is to characterize the conduct of believers; in 2 Corinthians 2:17 it is used of the rightful ministry of the Scriptures.
Notes: (1) For 2 Corinthians 8:8 , see A, No. 2. (2) In Ephesians 6:24 , AV, aphtharsia, "incorruption," is translated "sincerity" (RV, "uncorruptness," AV marg., "incorruption"); some inferior mss. have it in Titus 2:7 , AV; the RV follows those in which it is absent.