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madder Definition
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madder
noun(mad-der)a Eurasian herb (Rubia tinctorum of the family Rubiaceae, the madder family) with whorled leaves and small yellowish panicled flowers succeeded by dark berries; broadly : any of several related herbs (genus Rubia)
madder
noun(mad-der)the root of the Eurasian madder used formerly in dyeing; also : an alizarin dye prepared from it
madder
noun(mad-der)a moderate to strong red
madder
adjective(mad-der)arising from, indicative of, or marked by mental disorder —not used technically
madder
adjective(mad-der)completely unrestrained by reason and judgment : unable to think in a clear or sensible way
madder
adjective(mad-der)incapable of being explained or accounted for