To convey information about; make known; impart: communicated his views to our office. To reveal clearly; manifest: Her disapproval communicated itself in her frown. To spread (a disease, for example) to others; transmit: a carrier who communicated typhus. To have an interchange, as of ideas. To express oneself in such a way that one is readily and clearly understood:"That ability to communicate was strange in a man given to long, awkward silences"(Anthony Lewis). Ecclesiastical To receive Communion. To be connected, one with another: apartments that communicate.