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Whitewash
WHITEWASH [isbe]
WHITEWASH - hwit'wosh: the American Revised Version margin gives "whitewash" for "untempered mortar" in Ezek 13:10 and 22:28. `Her prophets have daubed for them,' i.e. seconded them, "with whitewash," thus giving "a slight wall" (13:10 margin) a specious appearance of strength.See MORTAR; UNTEMPERED.
Also see definition of "Whitewash" in Word Study