| refusal on moral or religious grounds to bear arms in a military conflict or to serve in the armed forces. |

| conscientious objector n. Abbr. CO One who on the basis of religious or moral principles refuses to bear arms or participate in military service. conscientious objection n. |
A person who refuses to render military service on the grounds of moral principle or religious belief. A CO must demonstrate a sincere, active, and long-standing objection in order to receive an exemption from armed service. The United States and some European governments officially recognize CO status; approved COs are usually required to perform social service or noncombat military service in place of armed duty. (See also draft, draft dodger, and Selective Service System.)