adjective
- (especially of a prisoner) deprived of any communication with others.
adverb, adjective
- (postpositive) deprived of communication with other people, as while in solitary confinement
1844, American English, from Spanish incomunicado, past participle of incomunicar “deprive of communication,” from in- “not” + comunicar “communicate,” from Latin communicare “to share, impart” (see communication).