say it: VISH-uhs
vicious is an adjective meaning "(of persons or their actions) able or disposed to inflict pain or suffering". It carries 4 recorded senses.
bringing or deserving severe rebuke or censure
“a criminal waste of talent”
“a deplorable act of violence”
“adultery is as reprehensible for a husband as for a wife”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for vicious come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.