adj. & n.
adj. 1 (of a cliff, or a ship's bows) having a vertical or steep broad front. 2 (of a person or manner) blunt, frank, hearty.
n. a steep cliff or headland. bluffly adv. (in sense 2 of adj.). bluffness n. (in sense 2 of adj.).
[ 17th-c. Naut. word: orig. unkn. ]