Synonyms for

Vaccine

Verb Another word for vaccine — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

A vaccine is a substance that is used to protect people or animals from a specific disease. It contains a small amount of a weakened or dead virus or bacteria which helps the body build immunity against the disease.

Synonyms & similar words

Try these popular words

Explore more words