Quick definitions from WordNet (bluff)
▸ noun: the act of bluffing in poker; deception by a false show of confidence in the strength of your cards
▸ noun: pretense that your position is stronger than it really is ("His bluff succeeded in getting him accepted")
▸ noun: a high steep bank (usually formed by river erosion)
▸ verb: frighten someone by pretending to be stronger than one really is
▸ verb: deceive an opponent by a bold bet on an inferior hand with the result that the opponent withdraws a winning hand
▸ adjective: bluntly direct and outspoken but good-natured ("A bluff but pleasant manner")
▸ adjective: very steep; having a prominent and almost vertical front ("A bluff headland")
▸ Also see bluff
▸ noun: the act of bluffing in poker; deception by a false show of confidence in the strength of your cards
▸ noun: pretense that your position is stronger than it really is ("His bluff succeeded in getting him accepted")
▸ noun: a high steep bank (usually formed by river erosion)
▸ verb: frighten someone by pretending to be stronger than one really is
▸ verb: deceive an opponent by a bold bet on an inferior hand with the result that the opponent withdraws a winning hand
▸ adjective: bluntly direct and outspoken but good-natured ("A bluff but pleasant manner")
▸ adjective: very steep; having a prominent and almost vertical front ("A bluff headland")
▸ Also see bluff