Synonyms for Curt (same or very similar meaning)
WordNet sense 1 (marked by rude or peremptory shortness):
brusque, short, bruskWordNet sense 2 (brief and to the point; effectively cut short):
crisp, laconic, terseWordNet sense 3 (expressing much in few words):
conciseFrom the ODE community, based on WordNetadd/edit