Antibody
8 lettersnounmoderateUpdated February 2026
Definition
A protein produced by the body's immune system that recognises and helps neutralise foreign substances such as bacteria, viruses, or toxins. These Y-shaped proteins bind to specific antigens to mark them for destruction.
“The blood test revealed high levels of antibodies against the viral infection.”
Related Words
Synonyms
immunoglobulinimmune protein
Word Game Tips
🟩
Wordle
Contains three vowels (A, I, O) and the high-value letters B and Y; watch for ANTI- prefix
🔤
Scrabble
Worth 14 points; valuable with B (3 points) and Y (4 points), plus common prefix ANTI-
Explore Similar Words
Try These Tools
Dictionary References
Look up antibody in an authoritative dictionary for full definitions, pronunciation, and etymology.
Ready to test your word skills?
Download Word Challenge and challenge yourself with our daily word puzzles. Guess the hidden word in six tries or fewer!