The Collaborative International Dictionary
Incommunicative \In`com*mu"ni*ca*tive\,
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Not communicative; not free or apt to impart to others in conversation; reserved; silent; as, the messenger was incommunicative; hence, not disposed to hold fellowship or intercourse with others; exclusive.
The Chinese . . . an incommunicative nation.
--C. Buchanan. -- In`com*mu"ni*ca*tive*ly, adv. -- In`com*mu"ni*ca*tive*ness, n.
--Lam His usual incommunicativeness.
--G. Eliot.
Wiktionary
a. uncommunicative.
WordNet
adj. not inclined to talk or give information or express opinions [syn: uncommunicative] [ant: communicative]
Usage examples of "incommunicative".
The Captain would become sullen at that point -- she could hardly blame him for that -- and the tone of the conversation would darken, often to the point where the Captain became completely incommunicative.
The dour and incommunicative Duvari cedes not even the most paltry of rumors to the mage-born.