Answer: curtest

AnswerCrossword Clue
CURTESTLeast loquacious
CURTESTMost abrupt
CURTESTLeast prolix
CURTESTLeast polite
CURTESTMaximally short
CURTESTMost snappish
curtestsparing of words terse wrote curt precise sentences
curtestCURT, abrupt (short and rude in manner)