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unsusceptible

adjective

• insusceptible

antonyms

• susceptible

related terms

• insensitive

similar terms

• immune
• immunised
• immunized
• immunogenic
• incapable
• resistant
• unpersuadable
• unresponsive
• unsuasible
• vaccinated

sounds kind of like

• unacceptable
• unacceptably
• unsubduable