Definition of "communicable" [com•mu•ni•ca•ble]

• Transmittable between persons or species; contagious: communicable diseases. (adjective)
• Readily communicated: communicable ideas. (adjective)
• Talkative. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Bob Barr believes that immigrants bring in communicable diseases."
• "An infectious disease that is spread through contact with infected individuals; also called a communicable disease."
• "To recognize the necessity of a religion, the necessity of authority, and then to leave to subjects the right to deny religion, attack its worship, oppose the exercise of power by public expression communicable and communicated by thought, was an impossibility which the Catholics of the sixteenth century would not hear of."