* Uncommunicative means unwilling or unable to communicate. It implies a lack of willingness or ability to share information or express oneself.
* Incommunicative is not a commonly used word in English. It might be confused with incommunicado, which means isolated from communication, usually due to being imprisoned or detained.
Here are some examples of how to use uncommunicative in a sentence:
* "She was being uncommunicative about her plans for the weekend."
* "He was so uncommunicative that it was hard to know what he was thinking."
* "The manager was uncommunicative about the company's financial situation."