The meaning of Lucre in the Bible
(From International Standard Bible Encyclopedia)

lu'-ker, loo'-ker (betsa'>; kerdos): Literally, "gain" (I Samuel 8:3; Titus 1:7), hence, in the New Testament always qualified by "filthy" (I Timothy 3:8, "not greedy of filthy lucre" aischrokerdes; so Titus 1:7). The adverb is found in I Peter 5:2 (see also Titus 1:11). In I Timothy 3:3, the Revised Version (British and American) changes the King James Version to "no lover of money" (aphilarguros).

See more on the meaning of Lucre in the Bible:
Lucre {Easton's Bible Dictionary}

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