“So settled, so still, so serene / Completely vegetative, cumcumbive, or potative, non-communicative, and green …” Bonkers.
But for an intimate chum you are the most remarkably secretive, non-communicative, open-hearted fellow that ever lived.
But he was as non-communicative as ever, totally absorbed in this terrible business that obsessed him.
Her strange father was non-communicative and silent as the grave.
Gertrude, however, was still grave and absent-minded and non-communicative.
There is abundant evidence of the non-communicative policy of Spain.
At his new boarding-place, Darius Holt's, he answered no questions concerning his plans, and was silent and non-communicative.
The inhabitants are as non-communicative as at Lajas, and no Mexicans are allowed to settle within their precinct.
late 14c., "that communicates," from French communicatif, from Latin communicat-, past participle stem of communicare "impart, inform" (see communication). Meaning "talkative" is recorded from 1650s.