IPA: /ˌɪnkəˌmjunɪˈkɑːdoʊ/
KK: /ɪnˌkəˌmjunɪˈkɑːdoʊ/
In a state where someone cannot communicate or is unable to be contacted.
After the storm, the town was left incommunicado for several days.
In a state where someone cannot communicate with others, often due to restrictions or isolation.
The journalist was held incommunicado for several days without any contact with the outside world.
Incommunicado → It is formed from "in-" (meaning not) and "communicado" (from Latin "communicare", meaning to communicate). The word describes a state of being not able to communicate or being cut off from communication.
Think of being 'not' able to 'communicate' — 'in-' means not, and 'communicado' relates to communication.