Is not, does not exist
무교 = no religion
무선 = wireless
무료 = free, no charge
무례(하다) = impolite, rude
연중무휴 = open throughout the year (store)
무능력(하다), 무능(하다) = incompetent (no ability)
무식(하다) = ignorant
무관심(하다) = unconcerned, have no interest in
무중력 = zero gravity
무한 = infinity (한 = end, limit)
무조건(하다) = unconditional (조건 = condition)
Work
공무원 = someone who works for the government
근무(하다) = service, work
업무 = business
의무 = duty
사무실 = office room
교무실 = teacher´s room
Sutdy-Korean 