anergy /anˈər-jē/

1. Absence of energy
2. Reduction or lack of immunity to an antigen

anergia /an-ûrˈjē-ə/ noun

• knock cold
• knock copy
• knock down
• knock-down
• knock-downs
• knocked
• knocked-down
• knocker
• knockers
• knocker-up
• knocker-ups
• knock-for-knock agreement
• knock-for-knock policy
• knock for six
• knocking
• knocking copies
• knocking copy
• knockings
• knocking shop
• knocking-shop
• knocking shops
• knocking-shops
• knock into a cocked hat
• knock into the middle of next week
• knock-knee