japanned (verb) varnish: add a layer to; embellish
Sinonime: aspersive, backbiting, calumniatory, calumnious, contumelious, debasing, defamatory, depreciative, detracting, detractory, disparaging,
false, injurious,
invidious,
malevolent,
malicious, maligning,
opprobrious, pejorative,
sarcastic,
scurrilous, traducing,
untrue, vilifying, vituperative
Antonime: complimentary, praising