Communicable \Com*mu"ni*ca*ble\, a. [Cf. F. communicable, LL. communicabilis.] 1. Capable of being communicated, or imparted; as, a communicable disease; communicable knowledge. 2. Communicative; free-speaking. [Obs.] --B. Jonson. -- {Com*mu"ni*ca*ble*ness}, n. -- {Com*mu"ni*ca"bly}, adv.