Definition from Wiktionary, a free dictionary



to viliorate (third-person singular simple present viliorates, present participle viliorating, simple past and past participle viliorated)

   1. (obsolete) To lessen the quality of; to degenerate.

          The cheesy music only viliorated the film further.

to make less good; to worsen
The presence of gangs viliorates the quality of life for everyone in the neighbourhood.