v. & n.
v. 1 intr. make a pretence of strength or confidence to gain an advantage. 2 tr. mislead by bluffing.
n. an act of bluffing; a show of confidence or assertiveness intended to deceive. call a person's bluff challenge a person thought to be bluffing. bluffer n.
[ 19th c. (orig. in poker) f. Du. bluffen brag ]