letter boxes (noun) letter box: mail box
Sinonime: base, blackguardly, contemptible,
crooked,
deceitful,
despicable,
devious, discreditable,
disgraceful, disreputable,
fraudulent, ignoble, ignominious, infamous, inglorious,
low,
miscreant, offensive, opprobious,
putrid, scandalous, shabby, shady,
treacherous, unprincipled, unrespectable,
unscrupulous,
untrustworthyAntonime: blameless,
ethical, honorable, principled, respectable,
trustworthy, uncorrupt,
worthy