adj. Of, relating to, supporting, or advocating communism.
n. An advocate of a society based on the common ownership of property; a proponent of communism.
n. Any revolutionary or subversive radical.
Word Usage
"(note the red communist star on his shirt -- O'Reilly points it out too, but doesn't tell his large audience that it's a * communist* red star, and only a very small percentage of the viewers would probably know)"