from
The Collaborative International Dictionary of English v.0.48
Incommunicative \In`com*mu"ni*ca*tive\, a.
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.
[1913 Webster]
The Chinese . . . an incommunicative nation. --C.
Buchanan.
-- {In`com*mu"ni*ca*tive*ly}, adv. --
{In`com*mu"ni*ca*tive*ness}, n. --Lamb.
[1913 Webster]
His usual incommunicativeness. --G. Eliot.
[1913 Webster]