Question

which of the following prefixes means without?
mal-
dys-
a-
az-
eu-

Explanation:

The prefix "a-" can mean without. For example, "atypical" means without typical characteristics. "mal -" often means bad or wrong, "dys -" means difficult or disordered, "az -" is not a common prefix with the meaning of without, and "eu -" means good or well.

Answer:

C. a-