curt /kɜːt $ kɜːrt/ BrE AmE adjective
[ Date: 1300-1400 ; Language: Latin ; Origin: curtus 'shortened' ]
using very few words in a way that seems rude SYN abrupt :
With a curt nod, he turned away and sat down.
a curt note
—curtly adverb
—curtness noun [uncountable]