This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To stain, discolour or tarnish

v. To tinge with a different color from the natural or proper one; to stain; to discolor; to sully; to tarnish; to defile; -- used chiefly in poetry.

To take away the color of; hence, to weaken the effect of by comparison; cause to pale; outvie.

To tinge with any color different from the natural or proper one; discolor; stain: as, a sword distained with blood.

To blot; sully; defile; tarnish.

"The place to express your distain was the ballot box."

distained    distaining   

stain    discolor    sully    tarnish    defile   

blepharospasm    sensitization    rebelliousness    crossness    fretfulness    bemusement    chorea    salivation    hoarseness    irascibility