Synonyms of murderous in English:

murderous


See US English definition of murderous

See UK English definition of murderous

See Spanish definition of asesino

adjective

1‘a murderous attack’

SYNONYMS
homicidal, brutal, violent, savage, ferocious, fierce, vicious, bloodthirsty, barbarous, barbaric, cruel, inhuman
fatal, lethal, deadly, mortal, killing, death-dealing, bloody
literary fell
archaic sanguinary

2‘the team had a murderous schedule of four games in ten days’

SYNONYMS
arduous, gruelling, strenuous, punishing, onerous, back-breaking, crushing, exhausting, taxing, difficult, hard, laborious, rigorous, stressful, formidable, intolerable, unbearable, harrowing
informal killing, hellish
British informal knackering
ANTONYMS

easy, light