The Collaborative International Dictionary of English v.0.48:

Tinge \Tinge\, v. t. [imp. & p. p. Tinged; p. pr. & vb. n.
   Tingeing.] [L. tingere, tinctum, to dye, stain, wet; akin
   to Gr. ?, and perhaps to G. tunken to dip, OHG. tunch[=o]n,
   dunch[=o]n, thunk[=o]n. Cf. Distain, Dunker, Stain,
   Taint a stain, to stain, Tincture, Tint.]
   To imbue or impregnate with something different or foreign;
   as, to tinge a decoction with a bitter taste; to affect in
   some degree with the qualities of another substance, either
   by mixture, or by application to the surface; especially, to
   color slightly; to stain; as, to tinge a blue color with red;
   an infusion tinged with a yellow color by saffron.
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         His [Sir Roger's] virtues, as well as imperfections,
         are tinged by a certain extravagance.    --Addison.
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   Syn: To color; dye; stain.
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