a substance that your body produces in your blood to fight illnesses and infections. Antibodies are an important part of the immune system that protects your body against disease.
Synonyms and related words
Infection and fighting infection
antibody
biosecurity
candida
antibody
noun countable medical
US /ˈæntɪˌbɑdi/
Word Forms
singular
antibody
plural
antibodies
DEFINITIONS1
1
a substance that your body produces in your blood to fight illnesses and infections. Antibodies are an important part of the immune system that protects your body against disease.