9 letters · 11 points in Scrabble
verb cause to seem less serious; play down
verb charge falsely or with malicious intent; attack the good name and reputation of someone
originDerived from Latin dēnigrātus, the perfect passive participle of dēnigrō (“to blacken”) [see -ate (verb-forming suffix)], from dē- (“of; from”) + nigrō (“to blacken”) [from niger (“black”)]. Cognate with Middle English denigart(e) (“darkened, discolored”).
Etymology from Wiktionary, CC BY-SA 3.0