bluff

(v) try to deceive someone as to one’s abilities or intentions

e.g. He seems to know a lot about music, but sometimes I think he’s only bluffing.

synonyms: pretend, putting on an act, mislead

(n) an attempt to deceive/bluff

e.g. “It was all a bluff! The diamond in his hand is fake!” Horrified at being found out, he scrambled to get away.

synonyms: lie

other word forms: nil

(n) a cliff

e.g. Despite the danger, he stood at the edge of the bluff overlooking the sea.