blasphemous
adjective
[ ˈblasfəməs ]
• sacrilegious against God or sacred things; profane.
• "blasphemous and heretical talk"
Similar:
sacrilegious,
profane,
irreligious,
irreverent,
impious,
ungodly,
godless,
unholy,
disrespectful,
execratory,
execrative,
imprecatory,
Origin:
late Middle English: via ecclesiastical Latin from Greek blasphēmos ‘evil-speaking’ + -ous.