say it: TRAY-tur-uhs
traitorous is an adjective meaning "having the character of, or characteristic of, a traitor". It carries one recorded sense.
having the character of, or characteristic of, a traitor
“the faithless Benedict Arnold”
“a lying traitorous insurrectionist”
Definitions, synonyms and semantic relations for traitorous 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.