verb

immunize

immunise, vaccinate, inoculate

The doctor will immunize the children.

The doctor will immunise the children.

The law immunizes witnesses from prosecution.

The law immunises witnesses from prosecution.

to immunize ((sb.)) <against sth.> to make (sb.) immune <to sth.> The doctor will immunize the children.

to immunize ((sb.)) from ((sth.)) to make (sb.) exempt from (sth.) The law immunizes witnesses from prosecution.

Synonyms: vaccinate, inoculate, protect

From 'immune' + the verb-forming suffix '-ize', meaning 'to make immune'. Note the British spelling is 'immunise'.

The suffix '-ize' means 'to make'. So, to 'immunize' is 'to make immune'.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.