What is another word for uncommunicative?
Pronunciation: [ʌnkəmjˈuːnɪkətˌɪv] (IPA) 
The word uncommunicative can be quite limiting in its usage, so having a variety of synonyms at your disposal is always beneficial. Here are a few examples to consider: reserved, reticent, introverted, taciturn, laconic, unresponsive, unsociable, silent, distant, withdrawn, aloof, cold, detached, unapproachable, unresponsive, and unsympathetic. Each of these synonyms conveys a sense of lack of communication or social interaction in different ways, so selecting the appropriate one can help to create a more nuanced and accurate portrayal of the situation or person being described.
