gunslinger

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a professional killer who uses a gun (Freq. 1)
• Syn:
gunman, hired gun, gun, gun for hire, triggerman,
hit man, hitman, torpedo, shooter
• Derivationally related forms:
shoot (for: shooter), gun (for: gun)
• Hypernyms:
murderer, liquidator, manslayer