immunise /ˈɪm.ju.naɪz/ verb2 •To make someone or something immune to something.It is now clear that the brevity of an indecent broadcast – be it word or image – cannot immunize it from FCC censure. — 2012 •To inoculate someone, and thus produce immunity from a disease.At issue is the so-called MMR vaccine, which immunizes children against measles, mumps and rubella, three potentially deadly diseases that were once common and have been mostly wiped out. — 2002 formsimmunised · immunising · immunises